5310-00-637-1980

Find complete technical information, availability, and procurement data for: 5310-00-637-1980
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-637-1980

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

0.425 inches minimum and 0.437 inches maximum width across flats, right-hand thread direction, 2b thread class, hexagon nut style, 0.187 inches minimum and 0.219 inches maximum nut 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
Nut Style: hexagon
Nut Height: 0.187 inches minimum and 0.219 inches maximum
Width Across Flats: 0.425 inches minimum and 0.437 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered or washer faced
Material: steel comp 302 or steel comp 303 or steel comp 304 overall
Material Document And Classification: qq-s-763,cond a fed spec 1st material response or qq-s-763,cond b fed spec 2nd material response or astm a582 assn std 3rd material response or qq-s-763,cond a fed spec 4th material response or qq-763,cond b fed spec 5th material response overall
Nondefinitive Spec/Std Data: 2 type and a style and b style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-208-5348	No Name Available	10/01/1996

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
12Z2010-56	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-637-1980?

The FSCG of the NSN 5310-00-637-1980 is 5310

Does the NSN 5310-00-637-1980 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-637-1980 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 5310-00-637-1980 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-637-1980 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 5310-00-637-1980 was assigned to the Federal Catalog?

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