5310-00-551-4248 NUT,PLAIN,ROUND Index 5340-00-551-4253 STRAP,WEBBING

National Stock Number:
5305-00-551-4251

Federal Supply Class:
5305

National Item Identification Number:
005514251

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:
864263318876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
COLORBLACK FASTENER
FASTENER LENGTH0.375 INCHES NOMINAL
HEAD DIAMETER0.270 INCHES MAXIMUM
HEAD HEIGHT0.082 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLESLOT
LOCKING FEATUREPELLET THREADS
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIALSTEEL CORROSION RESISTING FASTENER
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTOXIDE FASTENER
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.313 INCHES NOMINAL


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