3120-00-949-4975

Find complete technical information, availability, and procurement data for: 3120-00-949-4975
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-949-4975

Item Name Code

13211

Assigment Date

05/06/1966 (60 years ago)

1.0100 inches minimum and 1.0200 inches maximum diameter, round center hole shape style, 0.0290 inches minimum and 0.0320 inches maximum overall thickness, convex cross-sectional shape style, 2.4380 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: convex
Outside Diameter: 2.4380 inches nominal
Center Hole Shape Style: round
Diameter: 1.0100 inches minimum and 1.0200 inches maximum
Overall Thickness: 0.0290 inches minimum and 0.0320 inches maximum
Curvature Outside Radius: 3.0560 inches minimum and 3.0610 inches maximum
Curvature Inside Radius: 3.0270 inches minimum and 3.0290 inches maximum
Corner Shape: square first inside corner
Corner Shape: square second inside corner
Material: copper alloy overall
Style Designator: round

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-079-8481	No Name Available	03/25/1970

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
027810	Thrust Washer Bearing
144EX98	Thrust Washer Bearing
1930991	Thrust Washer Bearing
2256939	Thrust Washer Bearing
27810	Thrust Washer Bearing
57306 R1	Thrust Washer Bearing
716772	Thrust Washer Bearing
FP34478	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-949-4975?

The FSCG of the NSN 3120-00-949-4975 is 3120

Does the NSN 3120-00-949-4975 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-949-4975 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 3120-00-949-4975 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-949-4975 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 3120-00-949-4975 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, May 6, 1966