5306-01-217-2909, BOLT,MACHINE

National Stock Number:
5306-01-217-2909

Federal Supply Class:
5306

National Item Identification Number:
012172909

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:

29549602	73342	ALLISON TRANSMISSION INC
9441599	24617	GENERAL MOTORS CORP
9441599	73342	ALLISON TRANSMISSION INC

Techincal Specification:

EXTENDED WASHER DIAMETER	0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.050 INCHES MINIMUM
FASTENER LENGTH	3.440 INCHES MINIMUM AND 3.500 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.270 INCHES MAXIMUM
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	SAE,GR8 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1524 OR STEEL COMP 1527 OR STEEL COMP 1536 OR STEEL COMP 1541 OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
WIDTH BETWEEN FLATS	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	G-4342M,CODE 20U32,FSC-24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.940 INCHES MINIMUM AND 1.139 INCHES MAXIMUM
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNC

Click here to Register for Free 30-day Trial