5310-01-054-2557

Find complete technical information, availability, and procurement data for: 5310-01-054-2557
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-054-2557

Item Name Code

21824

Assigment Date

01/17/1978 (48 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.

0.230 inches minimum and 0.240 inches maximum nut counterbore diameter, 3b thread class, 0.460 inches minimum and 0.490 inches maximum washer outside diameter, right-hand thread direction, 0.334 inches minimum and 0.374 inches maximum overall height

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Washer Outside Diameter: 0.460 inches minimum and 0.490 inches maximum
Counterbore Diameter: 0.230 inches minimum and 0.240 inches maximum nut
Overall Height: 0.334 inches minimum and 0.374 inches maximum
Nut Style: flat with turned back edge
Nut Counterbore Depth: 0.141 inches minimum and 0.161 inches maximum nut
Width Across Flats: 0.367 inches minimum and 0.376 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: iron alloy 660 nut
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response 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
E11900-3	Assembled Washer Plain Nut
LB50-3C	Assembled Washer Plain Nut
LB50-4C	Assembled Washer Plain Nut
MS21244-3C	Assembled Washer Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-054-2557?

The FSCG of the NSN 5310-01-054-2557 is 5310

Does the NSN 5310-01-054-2557 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-054-2557 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 5310-01-054-2557 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-054-2557 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 5310-01-054-2557 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Tue, Jan 17, 1978