5305-01-576-8976 SCREW,CAP,SOCKET HEAD Index 5305-01-576-8994 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-576-8978

Federal Supply Class:
5305

National Item Identification Number:
015768978

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:
1002646461C19MIL-COTS CORPORATION
38035530Y3H3FASTENAL COMPANY
380355345152OSHKOSH CORP
380355375Q65OSHKOSH DEFENSE LLC


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH1.500 INCHES NOMINAL
HEAD DIAMETER0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.158 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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