3120-00-851-3737

Find complete technical information, availability, and procurement data for: 3120-00-851-3737
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-851-3737

Item Name Code

13208

Assigment Date

01/01/1962 (64 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.

0.3120 inches minimum and 0.3125 inches maximum bore diameter, groove external outer member lubrication feature, 0.4320 inches minimum and 0.4370 inches maximum inner member width, 0.3170 inches nominal outer member width, 0.6870 inches minimum and 0.6875 inches maximum outer member outside diameter

Product Characteristics

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

Bore Diameter: 0.3120 inches minimum and 0.3125 inches maximum
Outer Member Outside Diameter: 0.6870 inches minimum and 0.6875 inches maximum
Outer Member Width: 0.3170 inches nominal
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Lubrication Feature: groove external outer member
Lubrication Feature: perforation outer race member
Material: copper alloy outer race member
Material: steel comp e52100 inner member
Material Document And Classification: 66 fed std single material response inner member
Surface Treatment: chromium inner member
Style Designator: without insert or liner

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
BLR5220G	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-851-3737?

The FSCG of the NSN 3120-00-851-3737 is 3120

Does the NSN 3120-00-851-3737 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-851-3737 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 3120-00-851-3737 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-851-3737 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 3120-00-851-3737 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962