5298551

View detailed technical data, stock status, and sourcing information for: 5298551
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-275-8264

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

1.156 inches nominal nut height, hexagon nut style, right-hand thread direction, 2b thread class, 0.125 inches nominal nut nut counterbore depth

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
Nut Style: hexagon
Nut Height: 1.156 inches nominal
Nut Counterbore Depth: 0.125 inches nominal nut
Width Across Flats: 1.312 inches nominal
Thread Series: unf
Features Provided: casehardened
Thread Quantity Per Inch: 14
Nominal Thread Size: 0.875 inches
Countersink Angle: 60.0 degrees nominal nut
Bearing Surface Type: washer faced
Material: steel comp 1019 overall
Material Document And Classification: qq-s-634 fed spec single material response overall
Surface Treatment: phosphate 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
125383H	Hexagon Plain Nut
5298551	Hexagon Plain Nut
5310002758264	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-275-8264?

The FSCG of the NSN 5310-00-275-8264 is 5310

Does the NSN 5310-00-275-8264 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-275-8264 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 5310-00-275-8264 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-275-8264 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 5310-00-275-8264 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963