1622704-1

View detailed technical data, stock status, and sourcing information for: 1622704-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5342 Weapon System Hardware

National Stock Number

5342-00-437-8691

Item Name Code

53589

Assigment Date

09/10/1969 (56 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.

6-32unc-2b all threaded portions thread size, 0.140 inches nominal flange thickness, 1.250 inches nominal flange width, 1.414 inches nominal distance between mounting hole centers, 1.750 inches nominal flange length

Product Characteristics

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

Flange Thickness: 0.140 inches nominal
Thread Size: 6-32unc-2b all threaded portions
Distance Between Mounting Hole Centers: 1.414 inches nominal
Flange Length: 1.750 inches nominal
Flange Width: 1.250 inches nominal
Flange Mounting Hole Diameter: 0.162 inches nominal
Height: 1.350 inches nominal
Material: aluminum overall
Style Designator: round two-hole flange

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5340-00-497-0180	No Name Available	03/01/1977

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
1622704-1	Weapon System Resilient Mount

FAQs

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

What is the FSCG of the NSN 5342-00-437-8691?

The FSCG of the NSN 5342-00-437-8691 is 5342

Does the NSN 5342-00-437-8691 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5342-00-437-8691 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 5342-00-437-8691 contain precious materials?

Item does not contain precious metal.

Does NSN 5342-00-437-8691 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 5342-00-437-8691 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Sep 10, 1969