5310-00-741-1881

Find complete technical information, availability, and procurement data for: 5310-00-741-1881
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-741-1881

Item Name Code

15933

Assigment Date

01/01/1963 (63 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

0.149 inches minimum and 0.163 inches maximum material thickness, 1.368 inches minimum and 1.382 inches maximum hole diameter, 90.0 degrees nominal bottom recess angle, 2.305 inches minimum and 2.319 inches maximum outside diameter, 1.399 inches minimum and 1.413 inches maximum top recess 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: 1.368 inches minimum and 1.382 inches maximum
Outside Diameter: 2.305 inches minimum and 2.319 inches maximum
Material Thickness: 0.149 inches minimum and 0.163 inches maximum
Top Recess Diameter: 1.399 inches minimum and 1.413 inches maximum
Bottom Recess Angle: 90.0 degrees nominal
Top Recess Angle: 90.0 degrees nominal
Bottom Recess Diameter: 1.399 inches minimum and 1.413 inches maximum
Material: steel overall
Style Designator: recessed both sides

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-288-2913	No Name Available	06/01/1970

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
927394	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-741-1881?

The FSCG of the NSN 5310-00-741-1881 is 5310

Does the NSN 5310-00-741-1881 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-741-1881 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 5310-00-741-1881 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-741-1881 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 5310-00-741-1881 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963