National Item Identification Number

00-071-6875

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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21439

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21439

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Reference Numbers (Part Numbers)

52W2081-3
9C00023-1

Required Categories

THREAD CLASS
THREAD LENGTH
FASTENER LENGTH
MATERIAL
HEAD STYLE
HEAD DIAMETE

Required Description

2A
0.550 INCHES MINIMUM
0.750 INCHES NOMINAL
STEEL OVERALL
C49 FLAT CHAMFER;