National Item Identification Number

01-203-6441
012036441
5305-01-203-6441
5305012036441

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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81205

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05869

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Reference Numbers (Part Numbers)

FF-S-86
MS16997-180
NAS1352-10-72P
NAS1352-180
4176084-90

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.625 INCHES
11
3A
RIGHT-HAND
6.198 INCHES MINIMUM AND
6.500 INCHES MA