5305-00-939-9268

Find complete technical information, availability, and procurement data for: 5305-00-939-9268
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-939-9268

Item Name Code

18257

Assigment Date

12/03/1965 (60 years ago)

1.250 inches minimum and 1.438 inches maximum thread length, 2a thread class, 1.750 inches nominal fastener length, hexagon head style, right-hand thread direction

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: 1.250 inches minimum and 1.438 inches maximum
Fastener Length: 1.750 inches nominal
Head Style: hexagon
Head Height: 0.736 inches minimum and 0.750 inches maximum
Width Between Flats: 0.302 inches minimum and 0.323 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: cadmium and dichromate 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-550-0551	No Name Available	07/14/1979
5305-00-939-1177	No Name Available	06/01/1990

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
5305009391177	Hexagon Head Cap Screw
MS18153-115	Hexagon Head Cap Screw
MS51096-415	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-939-9268?

The FSCG of the NSN 5305-00-939-9268 is 5305

Does the NSN 5305-00-939-9268 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-939-9268 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 5305-00-939-9268 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-939-9268 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 5305-00-939-9268 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Dec 3, 1965