5306-00-455-8930, BOLT,MACHINE

National Stock Number:
5306-00-455-8930

Federal Supply Class:
5306

National Item Identification Number:
004558930

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:

10162324

18876

U S ARMY AVIATION AND MISSILE COMMAND

Techincal Specification:

FASTENER LENGTH	1.453 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM
HEAD HEIGHT	0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 431 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SPECIAL FEATURES	WITH GROOVE 0.277 IN. MIN 0.290 IN. MAX DIA 0.032 IN. MIN 0.042 IN. MAX WIDE 0.866 IN. FROM HEAD OF BOLT
WIDTH BETWEEN FLATS	0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-STD-808,PARA.5.1.2.3 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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