5305-01-108-1797

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Machine Screw

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Official Item Classification

Name: Machine Screw
(NSN) National Stock Number: 5305-01-108-1797
(FSG) Federal Supply Group: 53 Hardware and Abrasives
(FSC) Federal Supply Classification: 5305 Screws
(INC) Item Name Code: 06657
(FIIG) Federal Item Identification Guide: A500D0
Date: 02/22/1981 (45 years ago)

undercut universal head style, 0.500 inches nominal fastener length, 2a thread class, 0.500 inches nominal thread length, right-hand thread direction

Specs & Compatibility

Thread Class

Thread Direction

right-hand

Thread Length

0.500 inches nominal

Fastener Length

0.500 inches nominal

Head Style

undercut universal

Head Diameter

0.235 inches nominal

Head Height

0.056 inches minimum and 0.063 inches maximum

Locking Feature

undercut

Internal Drive Style

slot

End Item Identification

m901a1/m981

Nominal Thread Diameter

0.112 inches

Thread Quantity Per Inch

Screw Material

steel comp 303

Screw Material Document And Classification

astm a582 cl 303 assn std single material response

Screw Surface Treatment

oxide film

Color

black

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator

Item does not contain precious metal.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0006657

Related Hardware Products

Part Number	Description
12266651-16	Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-108-1797?

The FSCG of the NSN 5305-01-108-1797 is 5305

Does the NSN 5305-01-108-1797 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-108-1797 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-108-1797 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-108-1797 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-108-1797 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Sun, Feb 22, 1981