5310-01-663-8351

Find complete technical information, availability, and procurement data for: 5310-01-663-8351
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-663-8351

Item Name Code

29729

Assigment Date

05/24/2017 (9 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).

0.788 inches minimum and 0.828 inches maximum washer outside diameter, 3b thread class, dry film lubricant lubrication, right-hand thread direction, free-running all metal design locking feature

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
Locking Feature: free-running all metal design
Washer Outside Diameter: 0.788 inches minimum and 0.828 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.562 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.064 inches minimum and 0.084 inches maximum
End Item Identification: b-52 aircraft
Width Across Flats: 0.616 inches minimum and 0.627 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.5000 inches
Material: steel corrosion resisting overall
Material Document And Classification: ams 5737 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416, type ii, class 2 fed spec single treatment response 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
NAS1805-8N	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-663-8351?

The FSCG of the NSN 5310-01-663-8351 is 5310

Does the NSN 5310-01-663-8351 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-663-8351 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 5310-01-663-8351 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-663-8351 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 5310-01-663-8351 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Wed, May 24, 2017