5305-01-657-8462

Find complete technical information, availability, and procurement data for: 5305-01-657-8462
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-657-8462

Item Name Code

18257

Assigment Date

08/31/2016 (9 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

hexagon head style, 2a thread class, 0.75 inches nominal thread length, right-hand thread direction, 2.50 inches nominal fastener 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: 0.75 inches nominal
Fastener Length: 2.50 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.183 inches maximum
Head Length: 0.488 inches minimum and 0.505 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
End Item Identification: mrap m-atv ui
Nominal Thread Diameter: 0.245 inches
Thread Quantity Per Inch: 20
Part Name Assigned By Controlling Agency: scr,cap,hex,tab .25-20 g8 mb
Color: black overall
Material: steel overall
Surface Treatment: phosphate zinc overall
Thread Series Designator: unc

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
4087512008	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-657-8462?

The FSCG of the NSN 5305-01-657-8462 is 5305

Does the NSN 5305-01-657-8462 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-657-8462 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 5305-01-657-8462 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-657-8462 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 5305-01-657-8462 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Wed, Aug 31, 2016