5310-01-431-1314 WASHER,SPRING TENSION Index 5340-01-431-1316 GRILLE,METAL

National Stock Number:
5306-01-431-1315

Federal Supply Class:
5306

National Item Identification Number:
014311315

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:
21106727153711NAVAL SEA SYSTEMS COMMAND
754-6407102 ITEM 2553711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
HEAD STYLEHEXAGON
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIALNICKEL ALLOY K-500 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
THREAD CLASS2A
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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