12387888-1

View detailed technical data, stock status, and sourcing information for: 12387888-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5342 Weapon System Hardware

National Stock Number

5342-01-540-5607

Item Name Code

53589

Assigment Date

05/24/2006 (20 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.

2.380 inches nominal flange width, 0.250 inches nominal inside diameter, 2.380 inches nominal flange length, 0.060 inches nominal flange thickness, 1.938 inches nominal distance between mounting hole centers

Product Characteristics

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

Inside Diameter: 0.250 inches nominal
Flange Thickness: 0.060 inches nominal
Distance Between Mounting Hole Centers: 1.938 inches nominal
Flange Length: 2.380 inches nominal
Flange Width: 2.380 inches nominal
Maximum Load Rating: 40.0 pounds
Shortest Distance Between Mounting Hole Centers: 1.938 inches nominal
Flange Mounting Hole Diameter: 0.196 inches nominal
Part Name Assigned By Controlling Agency: isolator,shock
Special Features: vendor item drawing
Height: 1.090 inches minimum and 1.180 inches maximum
Material: rubber and steel overall
Style Designator: round w/bushing four-hole flange

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
12387888	Weapon System Resilient Mount
12387888-1	Weapon System Resilient Mount

FAQs

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

What is the FSCG of the NSN 5342-01-540-5607?

The FSCG of the NSN 5342-01-540-5607 is 5342

Does the NSN 5342-01-540-5607 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5342-01-540-5607 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 5342-01-540-5607 contain precious materials?

Item does not contain precious metal.

Does NSN 5342-01-540-5607 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 5342-01-540-5607 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Wed, May 24, 2006