5310-01-180-4781

Find complete technical information, availability, and procurement data for: 5310-01-180-4781
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-180-4781

Item Name Code

29730

Assigment Date

05/29/1984 (42 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, soluble lubricant lubrication, 0.910 inches maximum washer outside diameter, prevailing torque all metal design locking feature, right-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: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.910 inches maximum
Lubrication: soluble lubricant
Overall Height: 0.298 inches minimum and 0.328 inches maximum
Nut Style: slotted hexagon
Washer Thickness: 0.055 inches nominal
Width Across Flats: 0.741 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
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 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
MS14145-10	Extended Washer Self-Locking Nut
THCR-3510	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-180-4781?

The FSCG of the NSN 5310-01-180-4781 is 5310

Does the NSN 5310-01-180-4781 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-180-4781 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 5310-01-180-4781 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-180-4781 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 5310-01-180-4781 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, May 29, 1984