5306-01-557-0492 BOLT,MACHINE Index 5306-01-556-6812 BOLT,MACHINE

National Stock Number:
5306-01-557-0511

Federal Supply Class:
5306

National Item Identification Number:
015570511

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:
100031661EFH8GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC.
1001868561C19MIL-COTS CORPORATION
12759-006220Y3H3FASTENAL COMPANY
172240Y3H3FASTENAL COMPANY
20003271EFH8GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC.
T554999062TUTHILL CORPORATION DBA REYCO/GRANNING DIV REYCO GRANNING


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH5.500 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH1.250 INCHES NOMINAL
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GRADE 5 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTZINC OVERALL
HEAD HEIGHT0.323 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.750 INCHES MAXIMUM
SPECIAL FEATURES1/2 INCH - 20 X 5-1/2 INCH GRADE 5 ZINC PLATED HEX CAP SCREW


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