5306-01-388-1817, BOLT,MACHINE

National Stock Number:
5306-01-388-1817

Federal Supply Class:
5306

National Item Identification Number:
013881817

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:

1B3172

77445

RTX CORPORATION

Techincal Specification:

THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNJF
FASTENER LENGTH	0.864 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
HEAD HEIGHT	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
HOLE QUANTITY	3
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 7470 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 615 OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.250 INCHES
WIDTH BETWEEN FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	NICKEL OVERALL AND CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM

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