5306-00-984-2641, BOLT,MACHINE

5310-00-984-2643 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5306-00-984-2641

Federal Supply Class:
5306

National Item Identification Number:
009842641

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:

1-080-185-01	78U39	OZARK AEROWORKS LLC
1-080-185-01	91547	HONEYWELL INTERNATIONAL INC DBA ENGINES & SYSTEMS
AN103822	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
1-080-185-01	99193	HONEYWELL INTERNATIONAL INC.
1-080-185-01	D0272	ROLLS-ROYCE DEUTSCHLAND LTD & CO KG DBA ROLLS-ROYCE DEUTSCHLAND

Techincal Specification:

DEPARTURE FROM CITED DESIGNATOR	AS MODIFI-D BY ROCKWELL HARDNESS
FASTENER LENGTH	1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE DIAMETER	0.070 INCHES NOMINAL
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE QUANTITY	6
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
WIDTH BETWEEN FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	63.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.740 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

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