M81934/1-20C024

View detailed technical data, stock status, and sourcing information for: M81934/1-20C024
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-306-7916

Item Name Code

13205

Assigment Date

08/30/1989 (36 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

square all corners corner shape, 1.4393 inches minimum and 1.4398 inches maximum body outside diameter, 0.7400 inches minimum and 0.7500 inches maximum overall length, 1.2505 inches minimum and 1.2515 inches maximum body inside diameter, 63.0 microinches outside diameter surface of body surface finish

Product Characteristics

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

Overall Length: 0.7400 inches minimum and 0.7500 inches maximum
Body Outside Diameter: 1.4393 inches minimum and 1.4398 inches maximum
Body Inside Diameter: 1.2505 inches minimum and 1.2515 inches maximum
Corner Shape: square all corners
Surface Finish: 63.0 microinches outside diameter surface of body
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, plain, no outside flanges
Specification/Standard Data: 81349-mil-b-81934/1 government specification

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
M81934/1-20C024	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-306-7916?

The FSCG of the NSN 3120-01-306-7916 is 3120

Does the NSN 3120-01-306-7916 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-306-7916 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 3120-01-306-7916 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-306-7916 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 3120-01-306-7916 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Aug 30, 1989