Fasteners Nuts Bolts Specs Fits Strength Handbook Fasteners Nuts Bolts Specs Fits Strength Handbook on CD a. Identifying fasteners by their markings. b. How to distinguish between different types of similar fasteners. c. Properly using thread inserts. d. Identifying threaded fasteners by their markings, and by their thread class, fit, series, and designation. f. Proper tightening requirements and recommended torque limits for fastener tightening. This manual also includes guidelines for calculating fastener torque requirements when they are unavailable. g. Thread fastener locking using self-locking fasteners and applying chemical thread-locking compounds. h. Selecting a suitable fastener system when the equipment specifications or the original fasteners or both are i. Inspecting fasteners to see if they are suitable for reinstalling and inspecting installed fasteners. j. Repairing damaged fasteners. k. Removing stubborn or damaged fasteners. Works with Windows, Mac, Unix, Linux and others. Fasteners Nuts Bolts Specs Fits Strength Handbook SECTION 1. INTRODUCTION TO THREADED FASTENERS . . 75-1 075-1.1.2 REFERENCE DOCUMENTS. 75-1 075-1.2.1 USING FASTENERS.75-2 075-1.2.2 FASTENER MAINTENANCE PRACTICES.75-3 SECTION 2. IDENTIFICATION OF FASTENERS .75-7 075-2.2 THREAD CLASS, FIT, SERIES, AND DESIGNATION . 75-8 075-2.2.1 THREAD CLASSES. 75-8 075-2.2.2.1 Class 1, 2, and 3 Fit.75-8 075-2.2.3.1 UNC (Coarse Thread) Series. 75-9 075-2.2.3.2 UNF (Fine Thread) Series. 75-9 075-2.2.3.3 UN (Constant Pitch Thread) Series. . 75-9 075-2.2.3.5 NC (National Coarse Thread) Series. 75-9 075-2.2.4 THREAD DESIGNATION. 75-9 075-2.2.5 THREAD ACCEPTABILITY, GAUGING. 75-10 075-2.2.5.1 Fastener Fit Requirements. 75-10 075-2.2.6 THREAD GAUGES. 75-10 075-2.3 IDENTIFYING REPLACEMENT FASTENERS . 75-11 075-2.3.1 DRAWING IDENTIFICATION REQUIREMENTS. 75-11 075-2.3.2 IDENTIFYING FASTENERS ON APL’S. 75-12 075-2.3.3 IDENTIFYING FASTENERS AND FASTENER STANDARD PART 075-2.4 CAPSCREWS AND INTERNAL WRENCHING BOLTS . 75-14 075-2.4.1 SOCKET-HEAD CAP SCREWS.75-14 075-2.4.1.1 Selecting Dimensional Standard .75-14 075-2.4.1.2 NAS 1351 and NAS 1352 Part Numbers. 75-18 075-2.4.1.3 Authorized Socket-Head Capscrew Substitutions. 75-19 075-2.4.1.4 Socket-Head Capscrew Substitution Requiring NAVSEA 075-2.4.1.5 Identification of Socket Head Cap Screws. 75-20 075-2.4.2 INTERNAL WRENCHING BOLTS. 75-21 075-2.4.2.1 Socket-Head Capscrews. 75-21 075-2.4.2.2 Identification Marking of Internal Wrenching Bolts. 75-21 075-2.4.2.3 Restrictions on Using Internal Wrenching Bolts. 75-21 075-2.4.3 HEXAGON-HEAD CAPSCREWS. . 75-22 075-2.4.3.1 ASME B 18.2.1 Part Numbering System. 75-22 075-2.4.3.2 Zinc and Cadmium Plated Hex Head Cap Screws. 75-23 075-2.4.3.3 Grade 8, Zinc Plated Hex Head Cap Screws. 75-26 075-2.5.1 IDENTIFYING REPLACEMENT WASHERS.75-26 075-2.5.2 COUNTERSUNK WASHERS (SINGLE SURFACE). 75-27 075-2.5.3 COUNTERSUNK WASHERS (TWO SURFACES). 75-27 075-2.6 ZINC-PLATED STEEL NUTS AND WASHERS . 75-27 075-2.7 THREAD INSERTS . . 75-27 075-2.7.1 PURPOSE OF THREAD INSERT. . 75-27 075-2.8 NONSTANDARD FASTENER APPLICATIONS . 75-28 075-2.8.1 LEFT-HAND THREAD APPLICATIONS. 75-28 075-2.8.2 UNIFORM STRENGTH FASTENERS. 75-30 075-2.8.3 HOLES FOR UNIFORM STRENGTH FASTENERS. 75-31 SECTION 3. THREADED FASTENER MATERIALS AND MARKING . 75-35 075-3.2 MATERIAL REQUIREMENTS AND SPECIFICATIONS . 75-35 075-3.2.1 FASTENER REQUIREMENTS FOR MIC LEVEL I APPLICATIONS. 75-35 075-3.2.2 LEVEL I REQUIREMENTS FOR FASTENERS. 75-35 075-3.2.2.1 Procurement Specifications. 75-35 075-3.2.2.2 Fastener Identification and Control. . 75-35 075-3.2.2.3 Color Coding. 75-36 075-3.2.3 FASTENER MATERIAL CHARACTERISTICS, IDENTIFICATION MARKINGS AND SUGGESTED USE. 75-36 075-3.2.3.1 Chemical and Physical Properties.75-36 075-3.2.3.2 Material Identification Markings.75-36 075-3.2.3.3 Material Identification Markings for Stainless Steel Fasteners. 75-37 075-3.2.3.4 Identifying Material When Fasteners Are Not Marked. 75-37 075-3.2.3.5 Manufacturer’s Markings. 75-37 075-3.3 MIL-S-1222 FASTENERS. 75-37 075-3.3.2 MIL-S-1222 FASTENER MATERIAL MARKING. 75-38 075-3.3.2.1 300 Series Stainless. 75-38 075-3.3.2.2 400 Series Stainless Steel. 75-38 075-3.3.2.3 Marking Locations. 75-38 075-3.3.3 AVAILABILITY . 75-39 075-3.3.3.1 Fastener Part Numbers. . 75-39 075-3.3.3.2 Other Sources. 75-39 075-3.4 ISSUES AFFECTING MATERiAL SELECTION . 75-58 075-3.4.1.2 Galvanic Corrosion. 75-58 075-3.4.1.3 Design Considerations to Reduce or Eliminate Corrosion. . 75-59 075-3.4.2 HYDROGEN EMBRITTLEMENT AND STRESS CORROSION CRACKING. 75-60 075-3.4.2.1 High-Strength Steel Fasteners. 75-60 075-3.4.3.1 Corrosion Protection.75-62 075-3.4.3.2 Zinc and Cadmium Coatings. 75-63 075-3.4.3.3 Black Oxide Coated Fasteners. 75-63 075-3.4.3.4 Zinc Primer Coating in Accordance with DOD-P-24648. . 75-64 075-3.4.3.5 Metallic-Ceramic Coated Fasteners. . 75-66 075-3.5 HIGH-TEMPERATURE FASTENERS . 75-66 075-3.6 SUITABLE USES FOR THREADED FASTENERS .75-67 075-3.7 TELEPHONE NUMBERS AND POINTS OF CONTACT . 75-69 075-3.7.3 NAVICP-M-P (NAVAL INVENTORY CONTROL POINT), FORMERLY SECTION 4. FASTENER TIGHTENING .75-71 075-4.2 TIGHTENING SEQUENCE .75-72 075-4.3.1 PRELOAD THEORY. 75-72 075-4.3.2 PURPOSE OF PRELOAD. 75-72 075-4.3.2.1 Preventing Loosening.75-73 075-4.3.2.2 Improving Fastener Fatigue Life.75-73 075-4.3.3 DETERMINING PROPER PRELOAD. 75-74 075-4.3.3.1 Determining Design Operating Loads. 75-77 075-4.3.3.2 Determining Torque Requirements.75-77 075-4.4.2 INITIAL RELAXATION. 75-77 075-4.4.3 TORSIONAL RELAXATION. 75-78 075-4.4.4 LONG TERM RELAXATION. 75-78 075-4.4.4.1 Stress Relaxation. 75-78 075-4.4.4.2 Vibration Relaxation.75-78 075-4.5 Methods of establishing preload . 75-78 075-4.5.1 TORQUE CONTROL.75-79 075-4.5.1.1 Units of Measurement. . 75-79 075-4.5.1.2 Determining Required Torque. 75-79 075-4.5.1.3 Applying Torque to a Fastener. 75-81 075-4.5.1.4 Torque Wrenches. 75-81 075-4.5.1.5 Tightening Fasteners Using Torque Control. 75-81 075-4.5.1.6 Special Requirements for Spiral-Wound Gaskets. 75-82 075-4.5.1.7 Changes in Torque as Fastener Yields. 75-82 075-4.5.2 TURN-OF-NUT CONTROL. 75-82 075-4.5.2.1 The Basis of Turn Requirements.75-82 075-4.5.2.2 Units of Measurement. . 75-83 075-4.5.2.3 Initial Snugging. 75-83 075-4.5.2.4 Where to Make the Measurements. . 75-84 075-4.5.2.5 Turning the Nut. 75-84 075-4.5.3 STRETCH CONTROL.75-84 075-4.5.3.1 Determining Stretch Requirements. . 75-84 075-4.5.3.2 Measuring the Stretch.75-84 075-4.5.4 ULTRASONIC STRETCH OR STRESS CONTROL. 75-85 075-4.5.5 HYDRAULIC TENSIONING AND HEATING. . 75-85 075-4.6 THREAD LUBRICANTS . 75-85 075-4.6.2 THREAD LUBRICANT APPLICATION. 75-85 SECTION 5. THREADED FASTENER LOCKING .75-91 075-5.1.1 THREADED FASTENER LOOSENING. 75-91 075-5.2 PRELOAD METHOD . 75-91 075-5.3 PREVAILING TORQUE (SELF-LOCKING NUT) METHOD . 75-92 075-5.3.2 REUSABLE SELF-LOCKING FASTENERS.75-92 075-5.3.2.1 Plastic Ring and Insert Fasteners.75-92 075-5.3.2.2 Reusable Metal (Spring Beam) Self-Locking Nuts. 75-94 075-5.3.3 NONREUSABLE SELF-LOCKING FASTENERS. 75-95 075-5.3.3.1 Distorted Collar Nuts.75-95 075-5.3.3.2 Distorted Thread Nuts. . 75-96 075-5.3.4 JAM NUTS (LOCK NUTS). 75-96 075-5.3.4.1 Jam Nut Assembly. 75-96 075-5.3.4.2 Tightening the Jam Nut. . 75-96 075-5.4 MECHANICAL METHOD . 75-97 075-5.4.2.2 Driven Pins. . 75-99 075-5.4.2.3 Use of Hardened Drive Pins. 75-99 075-5.4.2.4 Installing Straight Pins. . 75-100 075-5.4.2.5 Installing Taper Pins.75-100 075-5.4.2.6 Aligning Holes for Pins. 75-100 075-5.4.2.7 Substitutions for Pin-Type Locking Devices.75-100 075-5.4.3.1 Installing Tab Locks.75-101 075-5.4.3.2 Tab Bend Radius. 75-101 075-5.4.4 STAKING AND PEENING. 75-101 075-5.5 SAFETY WIRE METHOD . 75-101 075-5.5.3 TIGHTENING SAFETY WIRED FASTENERS. . 75-102 075-5.5.4 WIRE INSTALLATION. . 75-102 075-5.6 LOCKWASHER METHOD . 75-102 075-5.6.2 HELICAL SPRING LOCKWASHERS. 75-102 075-5.6.3 CURVED OR CONICAL SPRING LOCKWASHERS. 75-102 075-5.6.4 TOOTHED LOCKWASHERS. 75-103 075-5.6.4.1 Internal Tooth Lockwashers. 75-103 075-5.6.4.2 External Tooth Lockwashers. 75-103 075-5.6.4.3 Internal-External Tooth Lockwashers. 75-105 075-5.6.5 PART NUMBERS. 75-105 075-5.7 CHEMICAL METHOD . 75-105 075-5.7.2 ANAEROBIC THREADLOCKING COMPOUND. 75-106 075-5.7.2.1 Material Compatibility. . 75-106 075-5.7.2.2 Cleaning and Surface Activation Requirements. . 75-106 075-5.7.2.3 Anaerobic Compound Cure Time.75-107 075-5.7.2.4 Fastener Material Curing Characteristics. 75-107 075-5.7.2.5 Primers (Activators).75-107 075-5.7.2.6 Assembly Time Requirements. 75-107 075-5.7.2.7 Using Heat to Cure. 75-107 075-5.7.2.8 Tightening Chemically Locked Fasteners. 75-107 075-5.7.2.9 Tightening of Studs Set with Chemicals. 75-109 075-5.7.2.10 Threadlocking Compound Selection. . 75-109 SECTION 6. THREADED FASTENER REMOVAL .75-112 075-6.1.2 LEFT-HAND THREADS. 75-112 075-6.1.3 AVOIDING PROBLEMS. 75-113 075-6.1.3.1 Plan Your Job. 75-113 075-6.1.3.2 Think Safety. . 75-113 075-6.1.3.3 Stubborn or Damaged Fasteners.75-113 075-6.1.4 NORMAL REMOVAL.75-113 075-6.1.5 REMOVAL OF CHEMICALLY LOCKED FASTENERS. . 75-114 075-6.1.5.1 Using Torque to Loosen. 75-114 075-6.1.5.2 Using Heat and Torque to Loosen.75-114 075-6.1.5.3 Using Chemicals and Torque to Loosen. 75-114 075-6.1.5.4 Nonanaerobic Locking Compounds. . 75-114 SECTION 7. INSTALLATION OF THREADED FASTENERS .75-114 075-7.2 FASTENER SELECTION PROCEDURE . . 75-115 075-7.3 FIVE BASIC SITUATIONS . 75-115 075-7.3.2 NEW EQUIPMENT. 75-115 075-7.3.3 DAMAGED FASTENERS. 75-116 075-7.3.4 UNREPAIRABLE FASTENERS.75-116 075-7.3.5 UNIDENTIFIABLE FASTENERS. . 75-116 075-7.3.6 USE OF TEMPORARY FASTENERS. 75-116 075-7.4 SELECTION OF PROPER THREADED FASTENER SYSTEMS . 75-116 075-7.4.1 THREADED FASTENER SYSTEM. 75-116 075-7.4.2 TECHNICAL MANUALS AND SYSTEM DRAWINGS.75-117 075-7.4.3 UNAVAILABILITY OF TECHNICAL MANUALS. 75-117 075-7.5 LENGTH OF THREAD PROTRUSION .75-117 075-7.5.1 MINIMUM THREAD PROTRUSION. 75-117 075-7.5.2 MAXIMUM THREAD PROTRUSION. 75-117 075-7.6 DEPTH OF ENGAGEMENT FOR STUDS AND CAPSCREWS . . 75-118 075-7.6.1 DETERMINING REQUIRED DEPTH OF ENGAGEMENT. 75-118 075-7.7 SQUARENESS OF SPOTFACE WITH HOLE . 75-118 075-7.7.1 FASTENER-BENDING LOADS.75-118 075-7.7.2 EFFECT OF BEARING SURFACE ON TORQUE LOAD. . 75-119 075-7.8 HEX-HEAD BOLTS AND CAPSCREWS . . 75-119 075-7.8.1 DIFFERENCES BETWEEN HEX-HEAD BOLTS AND CAPSCREWS. 75-119 075-7.8.2 TYPES OF BOLTS. 75-119 075-7.8.3 THROUGH BOLTS. 75-119 075-7.8.4 CAPSCREWS IN THREADED HOLES. 75-120 075-7.8.4.1 Selecting Proper Screw Length.75-120 075-7.8.4.2 Preventing Damage to Tapped Threads. 75-120 075-7.8.4.3 Cleaning the Tapped Hole. 75-120 075-7.8.4.4 Use of Thread Locking, Lubricating, and Antiseize Compounds. 75-122 075-7.9.1 WHY AND WHERE THEY ARE USED. 75-122 075-7.9.2 HOLE PREPARATION. . 75-122 075-7.9.3 FITTED BOLT PREPARATION.75-122 075-7.9.4 ALTERNATE FITUP PROCEDURE. 75-122 075-7.10.1 WHY AND WHERE THEY ARE USED. 75-122 075-7.10.2 TYPES OF BOLT-STUDS. 75-122 075-7.11.1 WHY AND WHERE THEY ARE USED. 75-124 075-7.11.2 TYPES OF STUDS. 75-124 075-7.11.3 SETTING STUDS. 75-124 075-7.11.3.1 Class 5 Fit.75-124 075-7.11.3.2 Nonstandard Class 5 Fit Threads.75-125 075-7.12 USE OF FLAT WASHERS . 75-125 075-7.12.2 WASHERS FOR EQUIPMENT SLIDING FOOT FASTENERS. 75-125 075-7.13 INTERCHANGEABILITY OF NUTS . 75-125 075-7.13.2 STANDARDS FOR PLAIN HEXAGON NUTS WITH THE SAME PART NUMBER FOR DOUBLE CHAMFERED AND WASHER FACED SECTION 8. THREADED FASTENER INSPECTION AND REPAIR . 75-126 075-8.2 INSPECTION OF INSTALLED THREADED FASTENERS AND JOINTS . . 75-126 075-8.2.1 GENERAL INSPECTION. 75-126 075-8.2.2 RUST AND CORROSION. 75-127 075-8.2.3 THREAD PROTRUSION. 75-127 075-8.2.5 CHECKING PRELOAD. . 75-127 075-8.3 VISUAL EXAMINATION OF FASTENERS PRIOR TO INSTALLATION . . 75-128 075-8.3.1 INSPECTING FOR PROPER APPLICATION TYPE. 75-128 075-8.3.3 RUST OR CORROSION DAMAGE. 75-128 075-8.3.4 OVERTIGHTENED (YIELDED) FASTENERS. . 75-128 075-8.3.5 THREAD FLATTENING. 75-128 075-8.3.6 SELF-LOCKING ELEMENTS. 75-128 075-8.4 ADDITIONAL EXAMINATIONS . 75-128 075-8.4.2 CHECKING SELF-LOCKING NUTS. 75-128 075-8.5.2 THREAD REWORK. 75-129 075-8.5.3 THREAD FILING. 75-129 075-8.5.4 THREAD LAPPING. 75-129 075-8.6 REWORKING OF THREADED FASTENER JOINTS . . 75-129 075-8.6.1 FASTENER REMOVAL. . 75-129 075-8.6.2 SUBMARINE FASTENER APPLICATIONS.75-129 075-8.6.3 REWORK/REPLACEMENT OF CLASS 5 INTERFERENCE FIT THREADS. . 75-130 075-8.6.3.1 Replacements Using Anaerobic Compounds.75-130 075-8.6.3.2 Replacement Interference Fit Studs. . 75-130 075-8.6.4 REMOVAL AND REUSE OF ASSEMBLED STUDS. 75-131 075-8.6.5 STEPPED STUDS. 75-131 SECTION 9. REMOVING DAMAGED OR STUBBORN THREADED FASTENERS . . 75-131 075-9.2 PREVENTING PROBLEMS .75-132 075-9.3 NORMAL REMOVAL . 75-132 075-9.4 ROUNDED-OFF NUT AND HEAD CORNERS . 75-132 075-9.4.2 NUTS INSTALLED ON THROUGH BOLTS AND BOLT-STUDS.75-132 075-9.4.3 NUTS ON STUDS. 75-132 075-9.5 SEIZED THREADS . . 75-133 075-9.6 BROKEN STUDS AND CAPSCREWS .75-134 075-9.6.2 NONLOCKED STUDS. . 75-134 075-9.6.2.1 Drilling an Axial Hole in a Stud.75-134 075-9.6.2.2 Using Ezy-outs. 75-134 075-9.6.2.3 Drilling Out the Stud.75-135 075-9.6.2.4 Using EDM Equipment. . 75-136 075-9.6.2.5 Power Driven Broken Bolt Extractor (NSN 5130-01-387-7451).. 75-136 075-9.6.3 CLASS 5 FIT AND LOCKED STUDS. 75-136 All material in Adobe PDF format. Easy to use search and print functions. -No personal checks. Personal checks will be returned. -Pennsylvania residents must pay sales tax. (Fasteners nuts bolts specs fits strength handbook c d was posted and is owned by: Joe Rhodes) |
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