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)

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

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Below is a list of NSNs that have been officially superseded by this NSN: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