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National Stock Number:
5306-01-484-8202
Federal Supply Class:
5306
National Item Identification Number:
014848202
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:
| 4313542 | 77445 | RTX CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.688 INCHES NOMINAL | | GRIP DIAMETER | 0.247 INCHES NOMINAL | | GRIP LENGTH | 0.228 INCHES NOMINAL | | HEAD HEIGHT | 0.133 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | NICKEL ALLOY OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT- MACH, .250-28 X .688, HEX | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.435 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.460 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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