National Item Identification Number

01-305-0288
013050288
5305-01-305-0288
5305013050288

National Stock Number

Item Name

SCREW,MACHINE

Federal Supply Class

5305

Description

An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Commercial and Government Entity Code (Supplier Data)

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70318

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70318

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70318

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Reference Numbers (Part Numbers)

A1BMT5312G
3-56UNF2A-375L,RD-R-TYPE18-8SST
3-56UNF2A,.375L

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNF
0.099 INCHES
56
2A
RIGHT-HAND
0.339 INCHES MINIMUM AND
0.375 INCHES MA