5306-01-556-5553 BOLT,MACHINE Index 5306-01-557-0881 BOLT,MACHINE

National Stock Number:
5306-01-556-6474

Federal Supply Class:
5306

National Item Identification Number:
015566474

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:
1003860161C19MIL-COTS CORPORATION
12759-005550Y3H3FASTENAL COMPANY
140570Y3H3FASTENAL COMPANY
3821085C1338X5ND DEFENSE LLC
3821085C15F5P2ASF LOGISTICS, LLC


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,HEX FLNGD 5/16-18 X 1-1/4
PROPRIETARY CHARACTERISTICSNPAC
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.3125 INCHES
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNC


Click here to Register for Free 30-day Trial