4730-01-459-7263 MNFLD,PMP DISCHARGE Index 4720-01-459-7265 TUBING,NONMETALLIC

National Stock Number:
5305-01-459-7264

Federal Supply Class:
5305

National Item Identification Number:
014597264

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
167-6404600 FIND 11553711NAVAL SEA SYSTEMS COMMAND
21107100153711NAVAL SEA SYSTEMS COMMAND
6404600 FIND 11553711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH1.500 INCHES NOMINAL
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM
HEAD STYLEHEXAGON
LOCKING FEATURESTRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
SPECIAL FEATURESAPPLY POLYSULFIDE SEALANT TO THREADS
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH1.250 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH13


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