91257A804

View detailed technical data, stock status, and sourcing information for: 91257A804
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-516-6272

Item Name Code

18257

Assigment Date

01/13/2004 (22 years ago)

A device of various shapes to be permanently attached to the structure of an aircraft. It is designed to permanently mount and/or support an integral member, or group of members of the airframe in a proper position and bear the stress imposed by the components being supported. It may have mounting provisions, such as slots, holes, and/or attachments to facilitate installation. Excludes:items which are primarily designed for dampening shock and/or vibration. Excludes:bracket, angle; bracket, double angle; bracket, shelf; bracket, mounting; bracket (1), structural component, aircraft; and radius block.

hexagon head style, coarse thread class, 1.5000 inches nominal thread length, right-hand thread direction, 2.500 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: coarse
Thread Direction: right-hand
Thread Length: 1.5000 inches nominal
Fastener Length: 2.500 inches nominal
Head Style: hexagon
Head Height: 0.390 inches nominal
Width Between Flats: 0.938 inches nominal
End Item Identification: logistics support vessel
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Part Name Assigned By Controlling Agency: cap screw
Special Features: grade 8, 0.625in fastener length, rockwell hardness c33-39, 150000psi minimum tensile strength
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
91257A804	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-516-6272?

The FSCG of the NSN 5305-01-516-6272 is 5305

Does the NSN 5305-01-516-6272 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-516-6272 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 5305-01-516-6272 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-516-6272 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 5305-01-516-6272 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Tue, Jan 13, 2004