5306-00-272-4892, BOLT,MACHINE

National Stock Number:
5306-00-272-4892

Federal Supply Class:
5306

National Item Identification Number:
002724892

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.

Manufacturer Information:

274258PC2

10001

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.266 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM
FEATURES PROVIDED	CASEHARDENED AND UNFINISHED HEAD
HEAD HEIGHT	0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7097 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
MATERIAL	STEEL COMP 1020 OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.109 INCHES NOMINAL FIRST HOLE
SPECIAL FEATURES	0.374 TO 0.375 IN. DIA OF SHANK
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.875 INCHES MINIMUM AND 0.969 INCHES MAXIMUM
THREAD QUANTITY PER INCH	16
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	0.555 INCHES MINIMUM AND 0.569 INCHES MAXIMUM

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