537AS306-1

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-029-2324

Item Name Code

13211

Assigment Date

10/16/1976 (49 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.

0.3200 inches minimum and 0.3400 inches maximum diameter, round center hole shape style, 0.6200 inches minimum and 0.6300 inches maximum outside diameter, 0.0600 inches minimum and 0.0640 inches maximum overall thickness, rectangular cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Outside Diameter: 0.6200 inches minimum and 0.6300 inches maximum
Center Hole Shape Style: round
Diameter: 0.3200 inches minimum and 0.3400 inches maximum
Overall Thickness: 0.0600 inches minimum and 0.0640 inches maximum
Corner Shape: square all corners
Material: copper alloy overall
Material: oil lubricating lubrication
Material Document And Classification: mil-b-5687,ty 1,comp a mil spec single material response overall
Surface Condition: ground
Style Designator: round

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
537AS306-1	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-029-2324?

The FSCG of the NSN 3120-01-029-2324 is 3120

Does the NSN 3120-01-029-2324 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-01-029-2324 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 3120-01-029-2324 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-029-2324 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 3120-01-029-2324 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Oct 16, 1976