511-101800-50-4302-4102

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-012-3595

Item Name Code

21824

Assigment Date

11/11/1975 (50 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

right-hand thread direction, 2b thread class, 0.395 inches minimum and 0.406 inches maximum washer outside diameter, 0.156 inches nominal overall height, external tooth nut style

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Washer Outside Diameter: 0.395 inches minimum and 0.406 inches maximum
Overall Height: 0.156 inches nominal
Nut Style: external tooth
Nut Height: 0.125 inches nominal
Width Across Flats: 0.375 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: steel comp 430 nut
Material: steel comp 410 washer

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-498-7234	No Name Available	05/01/2005
5310-01-049-2746	No Name Available	09/01/1979

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
041A0000011000E	Assembled Washer Plain Nut
10101643-104	Assembled Washer Plain Nut
511-101800-50-4302-4102	Assembled Washer Plain Nut
69-561-6	Assembled Washer Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-012-3595?

The FSCG of the NSN 5310-01-012-3595 is 5310

Does the NSN 5310-01-012-3595 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-012-3595 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 5310-01-012-3595 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-012-3595 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 5310-01-012-3595 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Nov 11, 1975