National Item Identification Number

01-028-9187
010289187
5305-01-028-9187
5305010289187

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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Reference Numbers (Part Numbers)

NAS1190E5P10

Required Categories

NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THREAD CLASS
THREAD DIRECTIO

Required Description

0.312 INCHES
24
3A
RIGHT-HAND
0.511 INCHES MINIMUM AND
0.625 INCHES MAXIMUM