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National Stock Number:
5306-00-182-5258
Federal Supply Class:
5306
National Item Identification Number:
001825258
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:
| 12B7947-17 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 3.049 INCHES MINIMUM AND 3.096 INCHES MAXIMUM | | GRIP LENGTH | 1.952 INCHES NOMINAL | | HEAD HEIGHT | 0.380 INCHES NOMINAL | | HEAD STYLE | SQUARE | | HOLE CONFIGURATION STYLE | ROUND CHORD | | HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.076 INCHES MAXIMUM | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | NOMINAL THREAD DIAMETER | 0.687 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | FMS-1101,FSCM 81755 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | SPECIAL FEATURES | DRY FILM LUBE ON GRIP | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.097 INCHES MINIMUM AND 1.144 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJEF | | THREAD QUANTITY PER INCH | 24 | | WIDTH BETWEEN FLATS | 0.934 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837,TY 1,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE THREADS | | SURFACE TREATMENT | CADMIUM THREADS |
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