5306-01-556-2673 BOLT,MACHINE Index 5306-01-557-0313 BOLT,MACHINE

National Stock Number:
5306-01-556-4638

Federal Supply Class:
5306

National Item Identification Number:
015564638

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:
1003849361C19MIL-COTS CORPORATION
12759-004800Y3H3FASTENAL COMPANY
199180Y3H3FASTENAL COMPANY
180079338X5ND DEFENSE LLC
3820292C1338X5ND DEFENSE LLC
38200292C25F5P2ASF LOGISTICS, LLC
3820292C2338X5ND DEFENSE LLC
ESP-B-1.101-GS338X5ND DEFENSE LLC
ESP-B-2.121-PP338X5ND DEFENSE LLC


Techincal Specification:
EXTENDED WASHER DIAMETER0.68 INCHES MAXIMUM
FASTENER LENGTH1.00 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HEAD HEIGHT0.32 INCHES MAXIMUM
HEAD STYLECHAMFER SERRATED FLANGE
MATERIALSTEEL COMP 1022 OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, 5/16 X 1, GRADE 8
PROPRIETARY CHARACTERISTICSNPAC
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.3125 INCHES
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.00 INCHES NOMINAL
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNC


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