5310-01-041-4300

Find complete technical information, availability, and procurement data for: 5310-01-041-4300
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-041-4300

Item Name Code

15930

Assigment Date

05/25/1977 (49 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

1.432 inches minimum and 1.442 inches maximum outside diameter, 1.203 inches nominal recess diameter, 0.742 inches nominal radius, 0.323 inches nominal material thickness, 0.965 inches minimum and 0.975 inches maximum hole 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: 0.965 inches minimum and 0.975 inches maximum
Radius: 0.742 inches nominal
Outside Diameter: 1.432 inches minimum and 1.442 inches maximum
Recess Diameter: 1.203 inches nominal
Material Thickness: 0.323 inches nominal
Hardness Rating: 34.0 rockwell c minimum and 41.0 rockwell c maximum
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 1,class 3 fed spec single treatment response overall
Style Designator: concave

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
2935-12	Concave Washer
4188874-2	Concave Washer

FAQs

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

What is the FSCG of the NSN 5310-01-041-4300?

The FSCG of the NSN 5310-01-041-4300 is 5310

Does the NSN 5310-01-041-4300 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-041-4300 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 5310-01-041-4300 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-041-4300 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 5310-01-041-4300 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Wed, May 25, 1977