5305-01-592-5056

Find complete technical information, availability, and procurement data for: 5305-01-592-5056
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-592-5056

Item Name Code

18257

Assigment Date

03/08/2011 (15 years ago)

A flexible, porous piece of low density material formed to totally occupy, alone or combined with other pieces, the interior of a fuel tank or dry cavity. Its primary function is to reduce the risk of fuel explosion during crash or combat. It is colored to indicate material density and porosity.

4.500 inches nominal fastener length, hexagon head style, right-hand thread direction, 2a thread class, 2.250 inches nominal 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: 2.250 inches nominal
Fastener Length: 4.500 inches nominal
Head Style: hexagon
Head Height: 0.591 inches minimum and 0.627 inches maximum
Width Between Flats: 1.575 inches minimum and 1.625 inches maximum
Nominal Thread Diameter: 1.000 inches
Thread Quantity Per Inch: 8
Part Name Assigned By Controlling Agency: screw cap hex head heavy
Special Features: material is chromium-molybdenum, grade b7
Material: steel 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
J2295A193C2H16-N72B7	Hexagon Head Cap Screw
J2295A193C2R16-N72B7	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-592-5056?

The FSCG of the NSN 5305-01-592-5056 is 5305

Does the NSN 5305-01-592-5056 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-592-5056 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 5305-01-592-5056 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-592-5056 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 5305-01-592-5056 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Tue, Mar 8, 2011