National Item Identification Number

00-576-2549
005762549
5305-00-576-2549
5305005762549

National Stock Number

Item Name

SCREW,CAP,SOCKET HEAD

Federal Supply Class

5305

Description

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.

Commercial and Government Entity Code (Supplier Data)

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26233

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26233

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Reference Numbers (Part Numbers)

NK500C5-5
NK500D5-5

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.125 INCHES
40
2A
RIGHT-HAND
0.281 INCHES MINIMUM AND
0.343 INCHES MA