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National Stock Number:
5306-00-270-8324
Federal Supply Class:
5306
National Item Identification Number:
002708324
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:
| 325108PC1 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | MILB857 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY HEAD HEIGHT AND HEAD HOLE CONFIGURATION | | HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL | | HEAD HEIGHT | 0.281 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.062 INCHES NOMINAL | | HOLE QUANTITY | 2 | | HOLE TYPE | DRILLED | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 5 GRADE | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.563 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 16 | | WIDTH BETWEEN FLATS | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
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