National Item Identification Number

01-080-9181
010809181
5305-01-080-9181
5305010809181

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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52094

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CALMARK CORP
4915 WALNUT GROVE AVE
SAN GABRIEL
CA
91776
626-287-0451

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97942

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Reference Numbers (Part Numbers)

50253-5.56
583R630H25

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.112 INCHES
40
3A
RIGHT-HAND
1.000 INCHES MINIMUM
5.540 INCHES MINIMU