5310-00-778-9958

Find complete technical information, availability, and procurement data for: 5310-00-778-9958
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-778-9958

Item Name Code

15938

Assigment Date

01/01/1960 (66 years ago)

40.0 rockwell c minimum and 44.0 rockwell c maximum hardness rating, 0.125 inches nominal overall height, 0.312 inches minimum and 0.316 inches maximum hole diameter, 0.016 inches nominal material thickness, 0.875 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: 0.312 inches minimum and 0.316 inches maximum
Outside Diameter: 0.875 inches nominal
Overall Height: 0.125 inches nominal
Material Thickness: 0.016 inches nominal
Hardness Rating: 40.0 rockwell c minimum and 44.0 rockwell c maximum
Material: steel 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
1P77513A	Spring Tension Washer
878906	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-00-778-9958?

The FSCG of the NSN 5310-00-778-9958 is 5310

Does the NSN 5310-00-778-9958 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-778-9958 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 5310-00-778-9958 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-778-9958 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 5310-00-778-9958 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960