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 LOCKING FEATURE
MATERIALSTEEL CORROSION RESISTING FASTENER
NOMINAL THREAD DIAMETER0.138 INCHES
SURFACE TREATMENTOXIDE FASTENER
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.313 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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