5310-00-929-0521

Find complete technical information, availability, and procurement data for: 5310-00-929-0521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-929-0521

Item Name Code

04888

Assigment Date

09/02/1966 (59 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

3b thread class, right-hand thread direction, 1.510 inches nominal overall height, 2.125 inches nominal washer outside diameter, double hexagon 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: 3b
Thread Direction: right-hand
Washer Outside Diameter: 2.125 inches nominal
Overall Height: 1.510 inches nominal
Nut Style: double hexagon
Washer Thickness: 0.210 inches nominal
Width Across Flats: 1.508 inches nominal
Temp Rating: 550.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.250 inches
Material: steel overall
Surface Treatment: cadmium 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
LHEB220-202	Nut,plain,extended Washer,double

FAQs

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

What is the FSCG of the NSN 5310-00-929-0521?

The FSCG of the NSN 5310-00-929-0521 is 5310

Does the NSN 5310-00-929-0521 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-929-0521 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 5310-00-929-0521 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-929-0521 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 5310-00-929-0521 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Sep 2, 1966