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National Stock Number:
5306-01-576-3519
Federal Supply Class:
5306
National Item Identification Number:
015763519
Description:
BOLT,SHEAR
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
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Manufacturer Information:
| 70150-09150 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 70150-09150-138 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, CUFF ATTACHMENT, SPECIAL - ROTARY WING BLADE | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH BETWEEN FLATS | 0.741 NOMINAL MILS AND 0.752 NOMINAL CENTIMETERS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.641 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF | | FASTENER LENGTH | 4.985 INCHES NOMINAL | | GRIP DIAMETER | 0.503 NOMINAL MILS AND 0.504 NOMINAL CENTIMETERS | | GRIP LENGTH | 4.250 NOMINAL INCHES | | HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | HEAD STYLE | DISHED HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6349 OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS6415 OR AMS 6484 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
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