1434-643655

View detailed technical data, stock status, and sourcing information for: 1434-643655
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-256-4418

Item Name Code

13205

Assigment Date

01/13/1972 (54 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.

0.2520 inches minimum and 0.2525 inches maximum body inside diameter, 0.2450 inches minimum and 0.2550 inches maximum overall length, plastic overall material, 0.3760 inches minimum and 0.3765 inches maximum body outside diameter, square all corners corner shape

Product Characteristics

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

Overall Length: 0.2450 inches minimum and 0.2550 inches maximum
Body Outside Diameter: 0.3760 inches minimum and 0.3765 inches maximum
Body Inside Diameter: 0.2520 inches minimum and 0.2525 inches maximum
Corner Shape: square all corners
Material: plastic overall
Style Designator: solid, plain, no outside flanges

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
04-110-0250	Sleeve Bearing
1434-643655	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-256-4418?

The FSCG of the NSN 3120-00-256-4418 is 3120

Does the NSN 3120-00-256-4418 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-256-4418 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 3120-00-256-4418 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-256-4418 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 3120-00-256-4418 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Thu, Jan 13, 1972