5305-00-943-6972

Find complete technical information, availability, and procurement data for: 5305-00-943-6972
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-943-6972

Item Name Code

18257

Assigment Date

02/18/1966 (60 years ago)

0.951 inches minimum and 1.031 inches maximum thread length, right-hand thread direction, 2a thread class, 1.170 inches minimum and 1.250 inches maximum fastener length, hexagon head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.951 inches minimum and 1.031 inches maximum
Fastener Length: 1.170 inches minimum and 1.250 inches maximum
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.922 inches minimum and 0.938 inches maximum
Hole Diameter: 0.094 inches nominal
Nominal Thread Diameter: 0.625 inches
Hole Quantity: 1
Hole Type: drilled
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Minimum Yield Strength: 120000 pounds per square inch
Hole Configuration Style: hexagon flats
Material: steel overall
Material Document And Classification: sae gr 8 assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-022-5622	No Name Available	03/01/1980
5305-00-057-1166	No Name Available	06/01/1980

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
MS18153-136	Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-943-6972?

The FSCG of the NSN 5305-00-943-6972 is 5305

Does the NSN 5305-00-943-6972 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-943-6972 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 5305-00-943-6972 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-943-6972 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 5305-00-943-6972 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Feb 18, 1966