5305-01-285-9975 SCREW,CAP,SOCKET HEAD Index 5306-01-285-9977 BOLT,SHEAR

National Stock Number:
5305-01-285-9976

Federal Supply Class:
5305

National Item Identification Number:
012859976

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:
LP22J048J2003038LONG-LOK, LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.196 INCHES MINIMUM AND
0.329 INCHES MAXIMUM
FASTENER LENGTH0.407 INCHES MINIMUM AND
0.469 INCHES MAXIMUM
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
STEEL FASTENER
SURFACE TREATMENTCADMIUM FASTENER
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.452 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.064 INCHES MINIMUM AND
0.075 INCHES MAXIMUM
LOCKING FEATURESTRIP THREADS


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