101-20-12-21

View detailed technical data, stock status, and sourcing information for: 101-20-12-21
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-703-0891

Item Name Code

13205

Assigment Date

03/31/1972 (54 years ago)

"a microcircuit specifically designed to generate, modify, or process electrical signals which operate with two distinct or binary states. These states are commonly referred to as on and off, true and false, high and low, or "1" and "0"."

0.9388 inches minimum and 0.9393 inches maximum body outside diameter, square all corners corner shape, 0.7505 inches minimum and 0.7515 inches maximum body inside diameter, 0.6462 inches minimum and 0.6562 inches maximum overall length, 27.0 rockwell c minimum and 32.0 rockwell c maximum outer layer hardness rating

Product Characteristics

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

Overall Length: 0.6462 inches minimum and 0.6562 inches maximum
Body Outside Diameter: 0.9388 inches minimum and 0.9393 inches maximum
Body Inside Diameter: 0.7505 inches minimum and 0.7515 inches maximum
Corner Shape: square all corners
Hardness Rating: 27.0 rockwell c minimum and 32.0 rockwell c maximum outer layer
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Material: plastic polytetrafluoroethylene inner layer
Material: steel comp 630 or steel comp 410 or steel comp 416 outer layer
Surface Treatment: passivate left end surface of body
Surface Treatment: passivate outside diameter surface of body
Surface Treatment: passivate right end surface of body
Style Designator: solid, plain, no outside flanges

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
06-221-12-21	Sleeve Bearing
101-20-12-21	Sleeve Bearing
AT12SS21	Sleeve Bearing
BJ24TC30M21	Sleeve Bearing
KJN12C21-140	Sleeve Bearing
PBR12C21	Sleeve Bearing
STSKJ001-12C21	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-703-0891?

The FSCG of the NSN 3120-00-703-0891 is 3120

Does the NSN 3120-00-703-0891 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-703-0891 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 3120-00-703-0891 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-703-0891 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 3120-00-703-0891 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Mar 31, 1972