5306-00-550-4966, BOLT,MACHINE

6740-00-550-4971 DRIER,PHOTOGRAPHIC PRINT

National Stock Number:
5306-00-550-4966

Federal Supply Class:
5306

National Item Identification Number:
005504966

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:

G155HH12-24

26512

NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	2.656 INCHES NOMINAL
MATERIAL	STEEL COMP 4130 OR
	STEEL COMP 8630 OR
	STEEL COMP 8735 OR
	STEEL COMP 8740 OVERALL
THREAD LENGTH	1.094 INCHES MINIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.750 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR
	MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND
	41.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.406 INCHES NOMINAL
WIDTH BETWEEN FLATS	1.052 INCHES MINIMUM AND
	1.145 INCHES MAXIMUM
GRIP LENGTH	1.562 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.438 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES NOMINAL FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD
THE MANUFACTURERS DATA
MANUFACTURERS CODE	26512
DESIGN CONTROL REFERENCE	G155HH12-24

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