5305-01-591-5527

Find complete technical information, availability, and procurement data for: 5305-01-591-5527
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-591-5527

Item Name Code

18257

Assigment Date

01/31/2011 (15 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

hexagon head style, right-hand thread direction, 6.500 inches nominal fastener length, 2a thread class, 1.250 inches minimum and 1.875 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 1.875 inches maximum
Fastener Length: 6.500 inches nominal
Head Style: hexagon
Head Height: 0.312 inches nominal
Width Between Flats: 0.750 inches nominal
End Item Identification: mrap buffalo mk2a2
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Material: steel overall
Surface Treatment: 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
91257A737	Hexagon Head Cap Screw
AES01C500F50AW9A91	Hexagon Head Cap Screw
B1821BH050C650N	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-591-5527?

The FSCG of the NSN 5305-01-591-5527 is 5305

Does the NSN 5305-01-591-5527 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-591-5527 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 5305-01-591-5527 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-591-5527 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 5305-01-591-5527 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Mon, Jan 31, 2011