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National Stock Number:
5306-01-438-2381
Federal Supply Class:
5306
National Item Identification Number:
014382381
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| 497A10074-2 | 38597 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 2.500 INCHES NOMINAL | | HEAD DIAMETER | 0.910 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | LOCKING FEATURE | STRIP THREADS | | MATERIAL | NICKEL ALLOY K-500 OVERALL | | MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING FEATURE | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | LOCKING FEATURE HEIGHT 0.600 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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