3120-01-129-7498

Find complete technical information, availability, and procurement data for: 3120-01-129-7498
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-129-7498

Item Name Code

13205

Assigment Date

04/10/1982 (44 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.

0.9450 inches minimum and 0.9500 inches maximum body outside diameter, 0.9050 inches nominal overall length, 0.7400 inches minimum and 0.7450 inches maximum body inside diameter, 1.0600 inches nominal flange outside diameter, 0.0700 inches nominal first hole diameter

Product Characteristics

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

Hole Diameter: 0.0700 inches nominal first
Overall Length: 0.9050 inches nominal
Body Outside Diameter: 0.9450 inches minimum and 0.9500 inches maximum
Body Inside Diameter: 0.7400 inches minimum and 0.7450 inches maximum
Flange Outside Diameter: 1.0600 inches nominal
Flange Width: 0.2050 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: square all corners
Antirotation/Lubrication Type And Quantity: 4 hole
Surface Groove Location And Quantity: 1 internal
Material: copper alloy 172 overall
Style Designator: solid, external flange one end

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
8121101-01	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-129-7498?

The FSCG of the NSN 3120-01-129-7498 is 3120

Does the NSN 3120-01-129-7498 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-129-7498 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 3120-01-129-7498 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-129-7498 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 3120-01-129-7498 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Apr 10, 1982