5310-01-083-8787

Find complete technical information, availability, and procurement data for: 5310-01-083-8787
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-083-8787

Item Name Code

29730

Assigment Date

10/03/1979 (46 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.

3b thread class, 0.490 inches minimum and 0.550 inches maximum overall height, right-hand thread direction, 1.014 inches maximum washer outside diameter, prevailing torque all metal design 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 1.014 inches maximum
Overall Height: 0.490 inches minimum and 0.550 inches maximum
Nut Style: hexagon
Washer Thickness: 0.050 inches minimum
Width Across Flats: 0.743 inches minimum and 0.755 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.625 inches
Material: steel overall
Material Document And Classification: mil-n-25027 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 1 fed spec single treatment response or qq-p-416 type 2,class 2 fed spec single treatment response overall
Specification/Standard Data: 80205-nas1291 professional/industrial association standard

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
NAS1291X10	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-083-8787?

The FSCG of the NSN 5310-01-083-8787 is 5310

Does the NSN 5310-01-083-8787 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-083-8787 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 5310-01-083-8787 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-083-8787 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 5310-01-083-8787 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Oct 3, 1979