501-250800-00

View detailed technical data, stock status, and sourcing information for: 501-250800-00
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-696-5173

Item Name Code

21824

Assigment Date

01/01/1963 (63 years ago)

A plain nut on which has been assembled a nonremovable washer.

right-hand thread direction, external tooth nut style, 2b thread class, 0.482 inches minimum and 0.505 inches maximum washer outside diameter, 0.234 inches nominal overall height

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: 0.482 inches minimum and 0.505 inches maximum
Overall Height: 0.234 inches nominal
Nut Style: external tooth
Nut Height: 0.178 inches minimum and 0.193 inches maximum
Width Across Flats: 0.423 inches minimum and 0.438 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Material: steel nut
Material: steel washer
Material Document And Classification: g-286m fscm 77758 mfr ref 1st material response nut
Surface Treatment: cadmium or zinc overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-520-1614	No Name Available	09/01/1993

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
1080A18G43	Assembled Washer Plain Nut
11021426-1	Assembled Washer Plain Nut
132143291-5	Assembled Washer Plain Nut
30554-69-5-61-5	Assembled Washer Plain Nut
501-250800-00	Assembled Washer Plain Nut
511-251800-00	Assembled Washer Plain Nut
69-561-5	Assembled Washer Plain Nut
F421KL-0420	Assembled Washer Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-696-5173?

The FSCG of the NSN 5310-00-696-5173 is 5310

Does the NSN 5310-00-696-5173 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-696-5173 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 5310-00-696-5173 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-696-5173 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 5310-00-696-5173 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963