5310-00-490-4791

Find complete technical information, availability, and procurement data for: 5310-00-490-4791
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-490-4791

Item Name Code

15938

Assigment Date

03/18/1972 (54 years ago)

0.035 inches minimum and 0.065 inches maximum overall height, 4920-01-209-5053 end item identification, 0.380 inches minimum and 0.390 inches maximum hole diameter, 0.490 inches minimum and 0.510 inches maximum outside diameter, 0.010 inches nominal 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: 0.380 inches minimum and 0.390 inches maximum
Outside Diameter: 0.490 inches minimum and 0.510 inches maximum
Overall Height: 0.035 inches minimum and 0.065 inches maximum
Material Thickness: 0.010 inches nominal
End Item Identification: 4920-01-209-5053
Hardness Rating: 80.4 rockwell superficial 15-n minimum and 83.0 rockwell superficial 15-n maximum
Heat Treatment: quenched and tempered
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-401-4979	No Name Available	01/01/1983

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
5806-56-2	Spring Tension Washer
90134A031	Spring Tension Washer
993339-3	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-00-490-4791?

The FSCG of the NSN 5310-00-490-4791 is 5310

Does the NSN 5310-00-490-4791 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-490-4791 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 5310-00-490-4791 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-490-4791 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 5310-00-490-4791 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Mar 18, 1972