5306-00-377-4171, BOLT,MACHINE

National Stock Number:
5306-00-377-4171

Federal Supply Class:
5306

National Item Identification Number:
003774171

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:

5306PL1495291	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
ST2138-04	52661	RTX CORPORATION
ST2138-04	77445	RTX CORPORATION

Techincal Specification:

CRITICALITY CODE JUSTIFICATION	FEAT
FASTENER LENGTH	1.315 INCHES MINIMUM AND 1.335 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.090 INCHES MINIMUM
HEAD HEIGHT	0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
HEAD DIAMETER	0.730 INCHES MINIMUM AND 0.737 INCHES MAXIMUM
HEAD STYLE	ROUND W/WRENCH FLATS CHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	TITANIUM ALLOY OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	FORM FIT FUNCTION
WIDTH BETWEEN FLATS	0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES GRIP
SURFACE FINISH	63.0 MICROINCHES HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	PWA 37,FSCM 77445 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.134 INCHES MINIMUM AND 1.245 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	28

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