5305-01-658-8341

Find complete technical information, availability, and procurement data for: 5305-01-658-8341
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-658-8341

Item Name Code

18257

Assigment Date

10/20/2016 (9 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes:washer (1), recessed and bearing, washer, thrust.

1.250 inches nominal fastener length, hexagon head style, 0.243 inches nominal head height, 0.375 inches nominal thread diameter, 0.5625 inches nominal width between flats

Product Characteristics

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

Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.243 inches nominal
Width Between Flats: 0.5625 inches nominal
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Material: steel overall

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
12569621-62	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-658-8341?

The FSCG of the NSN 5305-01-658-8341 is 5305

Does the NSN 5305-01-658-8341 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-658-8341 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 5305-01-658-8341 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-658-8341 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 5305-01-658-8341 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Thu, Oct 20, 2016