National Item Identification Number

00-157-5599
001575599
5305-00-157-5599
5305001575599

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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50392

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SPS TECHNOLOGIES INC
HIGHLAND AVE
JENKINTOWN
PA
19046
215-572-3000

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56878

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99551

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Reference Numbers (Part Numbers)

645389G1CV
645389G1CV
645389G1CV

Required Categories

THREAD CLASS
THREAD LENGTH
FASTENER LENGTH
MATERIAL
SURFACE TREATMENT
HEAD

Required Description

3A
0.313 INCHES MINIMUM
0.375 INCHES NOMINAL
STEEL CORROSION RESISTING OVERAL