5310-01-187-7971

Find complete technical information, availability, and procurement data for: 5310-01-187-7971
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-187-7971

Item Name Code

15895

Assigment Date

08/25/1984 (41 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.

right-hand thread direction, +1.1370 to 1.1419 inches thread pitch diameters, 1.449 inches minimum and 1.479 inches maximum small end diameter, 3b thread class, prevailing torque with metallic insert 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 Pitch Diameters: +1.1370 to 1.1419 inches
Thread Direction: right-hand
Locking Feature: prevailing torque with metallic insert
Small End Diameter: 1.449 inches minimum and 1.479 inches maximum
Drive Point Depth: 0.084 inches minimum and 0.104 inches maximum
Nut Style: round
Nut Diameter: 1.703 inches minimum and 1.723 inches maximum
Nut Thickness: 0.416 inches minimum and 0.446 inches maximum
Drive Point Width: 0.173 inches minimum and 0.203 inches maximum
Undercut Thickness: 0.104 inches minimum and 0.134 inches maximum
Drive Point Quantity: 4
Temp Rating: 350.0 fahrenheit nominal
Thread Series: unjs
Thread Quantity Per Inch: 18
Nominal Thread Size: 1.173 inches
Material: steel comp 4130 overall
Material Document And Classification: ams 6370,cond f assn std single material response or ams 6371 assn std single material response overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-c-13924,cl 1 mil 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
5903477	Round Self-Locking Nut
SL 7155	Round Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-187-7971?

The FSCG of the NSN 5310-01-187-7971 is 5310

Does the NSN 5310-01-187-7971 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-187-7971 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 5310-01-187-7971 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-187-7971 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 5310-01-187-7971 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sat, Aug 25, 1984