5310-01-309-3749

Find complete technical information, availability, and procurement data for: 5310-01-309-3749
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-309-3749

Item Name Code

15938

Assigment Date

10/17/1989 (36 years ago)

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

0.244 inches minimum and 0.251 inches maximum hole diameter, 45.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, 0.584 inches minimum and 0.591 inches maximum outside diameter, 0.038 inches minimum and 0.042 inches maximum overall height, 0.018 inches minimum and 0.020 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 0.244 inches minimum and 0.251 inches maximum
Outside Diameter: 0.584 inches minimum and 0.591 inches maximum
Overall Height: 0.038 inches minimum and 0.042 inches maximum
Material Thickness: 0.018 inches minimum and 0.020 inches maximum
Hardness Rating: 45.0 rockwell c minimum and 50.0 rockwell c maximum
Material: steel comp 631 overall
Material Document And Classification: ams 5528 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: spring tension

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
ES8420-02	Spring Tension Washer
SAM156205	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-01-309-3749?

The FSCG of the NSN 5310-01-309-3749 is 5310

Does the NSN 5310-01-309-3749 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-309-3749 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 5310-01-309-3749 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-309-3749 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 5310-01-309-3749 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Oct 17, 1989