U518877

View detailed technical data, stock status, and sourcing information for: U518877
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-008-1955

Item Name Code

13393

Assigment Date

08/17/1975 (51 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

round center hole shape style, 0.320 inches minimum and 0.350 inches maximum hole diameter, rectangular cross-sectional shape style, round peripheral shape style, 0.087 inches minimum and 0.095 inches maximum thickness

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.320 inches minimum and 0.350 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.087 inches minimum and 0.095 inches maximum
Overall Diameter: 1.500 inches nominal
Heat Treatment: as fabricated
Color: black overall
Material: steel comp 321 or steel comp 347 overall
Material Document And Classification: sae assn std all material responses overall
Surface Treatment: oxide film 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
U518877	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-008-1955?

The FSCG of the NSN 5310-01-008-1955 is 5310

Does the NSN 5310-01-008-1955 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-008-1955 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 5310-01-008-1955 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-008-1955 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 5310-01-008-1955 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sun, Aug 17, 1975