M81936/1-8

View detailed technical data, stock status, and sourcing information for: M81936/1-8
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-129-2227

Item Name Code

13208

Assigment Date

04/04/1982 (44 years ago)

0.4995 inches minimum and 0.5000 inches maximum bore diameter, 0.4950 inches minimum and 0.5000 inches maximum outer member width, 0.3850 inches minimum and 0.3900 inches maximum inner member width, 0.9995 inches minimum and 1.0000 inches maximum outer member outside diameter, 20400 pounds static radial load rating

Product Characteristics

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

Bore Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Outer Member Outside Diameter: 0.9995 inches minimum and 1.0000 inches maximum
Outer Member Width: 0.4950 inches minimum and 0.5000 inches maximum
Inner Member Width: 0.3850 inches minimum and 0.3900 inches maximum
Static Radial Load Rating: 20400 pounds
Hardness Rating: 37.0 rockwell c minimum inner member
Hardness Rating: 28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member
Lubrication Feature: groove external outer member
Lubrication Feature: groove internal inner member
Lubrication Feature: groove internal outer member
Lubrication Feature: perforation outer race member
Lubrication Feature: perforation inner member
Material: copper alloy 172 or copper alloy 173 inner member
Material: grease lubrication
Material Document And Classification: mil-g-81322 mil spec single material response lubrication
Style Designator: without insert or liner with staking groove

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-01-195-5172	No Name Available	01/01/1986

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
10107848	Self-Aligning Plain Bearing
AS81936/1-8	Self-Aligning Plain Bearing
M81936/1-8	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-129-2227?

The FSCG of the NSN 3120-01-129-2227 is 3120

Does the NSN 3120-01-129-2227 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-01-129-2227 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 3120-01-129-2227 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-129-2227 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 3120-01-129-2227 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Apr 4, 1982