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National Stock Number:
5306-01-222-2658
Federal Supply Class:
5306
National Item Identification Number:
012222658
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:
| 10942-201-7 | 94756 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.093 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | TUNGSTEN ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | NUCLEAR HARDNESS CRITICAL FEATURE | HARDENED | | WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM | | THREAD LENGTH | 0.240 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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