5340-01-591-3870

Find complete technical information, availability, and procurement data for: 5340-01-591-3870
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-591-3870

Item Name Code

40280

Assigment Date

01/24/2011 (15 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

round cross-sectional shape, 1.3 millimeters nominal corner radius, 69.8 millimeters nominal length, 31.7 millimeters nominal flange diameter, 2.8 millimeters nominal flange thickness

Product Characteristics

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

Flange Diameter: 31.7 millimeters nominal
Flange Thickness: 2.8 millimeters nominal
Length: 69.8 millimeters nominal
Corner Radius: 1.3 millimeters nominal
Cross-Sectional Shape: round
Material: steel comp 303 insert
Material Document And Classification: astm a582 assn std single material response insert
Surface Treatment: cadmium insert
Surface Treatment Document And Classification: qq-p-416, type ii, class 2 fed spec single treatment response insert
Style Designator: flanged

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
NMCSB8000UGM422	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-591-3870?

The FSCG of the NSN 5340-01-591-3870 is 5340

Does NSN 5340-01-591-3870 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 5340-01-591-3870 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-591-3870 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-591-3870 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Mon, Jan 24, 2011