3120-01-099-4976

Find complete technical information, availability, and procurement data for: 3120-01-099-4976
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-099-4976

Item Name Code

13211

Assigment Date

08/20/1980 (46 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.

0.0580 inches minimum and 0.0620 inches maximum overall thickness, rectangular cross-sectional shape style, round center hole shape style, 1.2190 inches nominal diameter, 2.0000 inches nominal outside diameter

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: 2.0000 inches nominal
Center Hole Shape Style: round
Diameter: 1.2190 inches nominal
Overall Thickness: 0.0580 inches minimum and 0.0620 inches maximum
Features Provided: casehardened
Hardness Rating: 90.0 rockwell superficial 15-n minimum overall
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
9-490-100051	Thrust Washer Bearing
95-04-116-01	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-099-4976?

The FSCG of the NSN 3120-01-099-4976 is 3120

Does the NSN 3120-01-099-4976 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-01-099-4976 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 3120-01-099-4976 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-099-4976 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 3120-01-099-4976 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Aug 20, 1980