5310-00-995-7120

Find complete technical information, availability, and procurement data for: 5310-00-995-7120
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-995-7120

Item Name Code

21824

Assigment Date

01/01/1962 (64 years ago)

0.500 inches nominal washer outside diameter, external tooth nut style, right-hand thread direction, 2b thread class, 0.268 inches minimum and 0.298 inches maximum 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: 0.500 inches nominal
Overall Height: 0.268 inches minimum and 0.298 inches maximum
Nut Style: external tooth
Nut Height: 0.178 inches minimum and 0.198 inches maximum
Width Across Flats: 0.423 inches minimum and 0.453 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-100-5474	No Name Available	12/01/1988

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
511-251800-00-41B	Assembled Washer Plain Nut
H17&25	Assembled Washer Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-995-7120?

The FSCG of the NSN 5310-00-995-7120 is 5310

Does the NSN 5310-00-995-7120 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-995-7120 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 5310-00-995-7120 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-995-7120 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 5310-00-995-7120 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962