5305-01-608-7791 SCREW,MACHINE 5305-01-608-8381 SCREW,MACHINE

National Stock Number:
5305-01-608-7821

Federal Supply Class:
5305

National Item Identification Number:
016087821

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
803-7526222-12-OB-4-3-S-C-01653711NAVAL SEA SYSTEMS COMMAND
803-7526222-12-XX-X-X-C-01653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH1.500 INCHES NOMINAL
HEAD DIAMETER0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
HEAD HEIGHT0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-DTL-1222, TYPE 1, GRADE 500 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES
SPECIAL FEATURESSELF-LOCKING DEVICE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES NOMINAL
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.500 INCHES NOMINAL


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