5310-01-287-6628

Find complete technical information, availability, and procurement data for: 5310-01-287-6628
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-287-6628

Item Name Code

21926

Assigment Date

10/25/1988 (37 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.

dry film lubricant lubrication, 3b thread class, 0.962 inches minimum and 0.965 inches maximum nut diameter, plain barrel nut style, left-hand thread direction

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: left-hand
Lubrication: dry film lubricant
Nut Style: plain barrel
Nut Diameter: 0.962 inches minimum and 0.965 inches maximum
Nut Length: 1.250 inches nominal
Barrel Height: 0.763 inches nominal
Distance From Centerline Of Threaded Hole To End Of Nut: 0.625 inches nominal
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.5625 inches
Countersink Angle: 90.0 degrees nominal nut
Special Features: surface finish 63.0 microin od except bearing surface
Material: copper alloy 172 overall
Material Document And Classification: qq-c-530,cond at fed spec single material 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
L6410351-007	Barrel Plain Nut
PLL6410351-007	Barrel Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-287-6628?

The FSCG of the NSN 5310-01-287-6628 is 5310

Does the NSN 5310-01-287-6628 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-01-287-6628 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 5310-01-287-6628 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-287-6628 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 5310-01-287-6628 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Tue, Oct 25, 1988