5310-01-531-7280

Find complete technical information, availability, and procurement data for: 5310-01-531-7280
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-531-7280

Item Name Code

05277

Assigment Date

07/20/2005 (21 years ago)

A rigid item designed to suspend, support, retain and/or position vehicular component and/or attachment items. Do not use if a more specific item name exists.

2b thread class, right-hand thread direction, 0.298 inches minimum and 0.328 inches maximum nut height, hexagon nut style, prevailing torque with nonmetallic insert locking feature

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.298 inches minimum and 0.328 inches maximum
End Item Identification: 2510-01-525-2652 kit assembly, perimeter w/undercarriage armor, mak 2-door, hmmwv;rg-33 armored utility vehicle (auv); mrap - m-atv with cs13 pop and sne; multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Width Across Flats: 0.428 inches minimum and 0.439 inches maximum
Temp Rating: 250.0 fahrenheit maximum
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Bearing Surface Type: flat
Special Features: nut, nylon insert, non-metallic locking, steel, grade 8, .25-20unc-2b
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
11KP399	Hexagon Self-Locking Nut
M45913/1-4CG8Z	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-531-7280?

The FSCG of the NSN 5310-01-531-7280 is 5310

Does the NSN 5310-01-531-7280 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5310-01-531-7280 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 5310-01-531-7280 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-531-7280 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 5310-01-531-7280 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Wed, Jul 20, 2005