National Item Identification Number

00-900-4403
009004403
5305-00-900-4403
5305009004403

National Stock Number

Item Name

SCREW,CAP,SOCKET HEAD

Federal Supply Class

5305

Referenced on: http://www.tpub.com/content/elecgentestequip/TM-55-4920-425-13-P/TM-55-4920-425-13-P0061.htm

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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56878

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NSN (National Stock Number) 5305-00-900-4403, 5305009004403 NIIN (National Identification Number) 00-900-4403, 009004403

Part Numbers (Reference Numbers)

NAS1351-4-10
57999-1

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNF
0.250 INCHES
28
3A
RIGHT-HAND
0.625 INCHES MINIMUM
0.609 INCHES MINIMU