MIL-B-81934

View detailed technical data, stock status, and sourcing information for: MIL-B-81934
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-270-7793

Item Name Code

13205

Assigment Date

07/28/1973 (53 years ago)

0.9170 inches minimum and 0.9370 inches maximum flange outside diameter, 0.0575 inches minimum and 0.0625 inches maximum flange width, 0.4380 inches minimum and 0.4390 inches maximum body inside diameter, 0.5633 inches minimum and 0.5638 inches maximum body outside diameter, 0.2975 inches minimum and 0.3125 inches maximum overall length

Product Characteristics

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

Overall Length: 0.2975 inches minimum and 0.3125 inches maximum
Body Outside Diameter: 0.5633 inches minimum and 0.5638 inches maximum
Body Inside Diameter: 0.4380 inches minimum and 0.4390 inches maximum
Flange Outside Diameter: 0.9170 inches minimum and 0.9370 inches maximum
Flange Width: 0.0575 inches minimum and 0.0625 inches maximum
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Corner Shape: undercut left flange body corner
Special Features: plastic,polytetrafluoroethylene liner bonded to left end surface of flange
Material: plastic polytetrafluoroethylene inner layer
Material: steel comp 630 outer layer
Material Document And Classification: ams 5643 assn std single material response outer layer
Style Designator: solid, external flange one end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-01-015-6369	No Name Available	09/01/1980

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FAQs

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

What is the FSCG of the NSN 3120-00-270-7793?

The FSCG of the NSN 3120-00-270-7793 is 3120

Does the NSN 3120-00-270-7793 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-270-7793 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 3120-00-270-7793 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-270-7793 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 3120-00-270-7793 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sat, Jul 28, 1973