5310-01-031-8410

Find complete technical information, availability, and procurement data for: 5310-01-031-8410
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-031-8410

Item Name Code

15935

Assigment Date

12/02/1976 (49 years ago)

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

0.4635 inches minimum and 0.4785 inches maximum recess diameter, 1.115 inches nominal outside diameter, 0.4385 inches minimum and 0.4435 inches maximum hole diameter, 0.128 inches minimum and 0.138 inches maximum material thickness, 0.111 inches minimum and 0.123 inches maximum shoulder height

Product Characteristics

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

Hole Diameter: 0.4385 inches minimum and 0.4435 inches maximum
Outside Diameter: 1.115 inches nominal
Recess Diameter: 0.4635 inches minimum and 0.4785 inches maximum
Shoulder Height: 0.111 inches minimum and 0.123 inches maximum
Material Thickness: 0.128 inches minimum and 0.138 inches maximum
Hardness Rating: 27.0 rockwell c minimum and 35.0 rockwell c maximum
Criticality Code Justification: zzzw
Recess Angle: 90.0 degrees nominal
Special Features: shoulder beveled on a 30 deg angle
Color: black overall
Material: steel comp 4140h overall
Surface Treatment: oxide film overall
Surface Treatment Document And Classification: mil-c-13924,class 1 mil spec single treatment response overall
Style Designator: shouldered and recessed
Departure From Cited Document: as modified by special quality control testing for mk 48 torpedo

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
2498571	Shouldered and Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-031-8410?

The FSCG of the NSN 5310-01-031-8410 is 5310

Does the NSN 5310-01-031-8410 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-01-031-8410 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 5310-01-031-8410 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-031-8410 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 5310-01-031-8410 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Dec 2, 1976