3120-00-839-0297

Find complete technical information, availability, and procurement data for: 3120-00-839-0297
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-839-0297

Item Name Code

13211

Assigment Date

01/01/1962 (64 years ago)

5.1250 inches nominal outside diameter, 0.8120 inches nominal overall thickness, rectangular cross-sectional shape style, 1.7500 inches minimum and 1.7510 inches maximum diameter, round w/keyway center hole 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: 5.1250 inches nominal
Center Hole Shape Style: round w/keyway
Diameter: 1.7500 inches minimum and 1.7510 inches maximum
Overall Thickness: 0.8120 inches nominal
Center Hole Keyway Depth: 0.1875 inches nominal
Center Hole Keyway Width: 0.3738 inches minimum and 0.3800 inches maximum
Center Hole Keyway Quantity: 1
Bearing Surface Hole Quantity: 2 first
Bearing Surface Hole Diameter: 0.2500 inches nominal first
Corner Shape: chamfered second inside corner
Corner Shape: chamfered first inside corner
Corner Shape: square first outside corner
Corner Shape: square second outside corner
Hardness Rating: 52.0 rockwell c minimum overall
Special Features: first inside corner chamfer identical to second. thd surface holes1/4-20 unc-3
Material: lubricant lubrication
Material: steel overall
Material Document And Classification: qq-s-624 fed spec single material response overall
Surface Condition: lapped
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
44B3021-439B	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-839-0297?

The FSCG of the NSN 3120-00-839-0297 is 3120

Does the NSN 3120-00-839-0297 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-839-0297 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 3120-00-839-0297 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-839-0297 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 3120-00-839-0297 was assigned to the Federal Catalog?

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