5310-01-078-3980

Find complete technical information, availability, and procurement data for: 5310-01-078-3980
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-078-3980

Item Name Code

01869

Assigment Date

06/12/1979 (47 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.035 inches minimum and 0.045 inches maximum external prebent key length, 0.344 inches minimum and 0.346 inches maximum hole diameter, 0.088 inches minimum and 0.092 inches maximum external prebent key width, 0.296 inches nominal distance from centerline to inside of prebent key, 0.500 inches nominal outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.344 inches minimum and 0.346 inches maximum
Outside Diameter: 0.500 inches nominal
External Prebent Key Length: 0.035 inches minimum and 0.045 inches maximum
External Prebent Key Width: 0.088 inches minimum and 0.092 inches maximum
Distance From Centerline To Inside Of Prebent Key: 0.296 inches nominal
Overall Distance Including Keys: 0.586 inches nominal
Material Thickness: 0.047 inches minimum and 0.053 inches maximum
Material: steel corrosion resisting overall
Material Document And Classification: ss-303l-p,fscm 13499 mfr ref single material response or ss-316l-p,fscm 13499 mfr ref single material response overall
Style Designator: key

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
791-8136-002	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-078-3980?

The FSCG of the NSN 5310-01-078-3980 is 5310

Does the NSN 5310-01-078-3980 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-078-3980 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 5310-01-078-3980 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-078-3980 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 5310-01-078-3980 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Jun 12, 1979