M81820/3-12

Comprehensive specifications and application details for: M81820/3-12 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: M81820/3-12. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
M81820/3-12
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-491-7590
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
10/31/2001

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.7500 inches minimum and 0.7510 inches maximum bore diameter, 0.8730 inches minimum and 0.8750 inches maximum inner member width, plastic polytetrafluoroethylene race liner material, steel comp xm-13 inner member material, steel comp 630 outer race member material

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-491-7590 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.7500 inches minimum and 0.7510 inches maximum
Inner Member Width
0.8730 inches minimum and 0.8750 inches maximum
Material
plastic polytetrafluoroethylene race liner
Material
steel comp 630 outer race member
Material
steel comp xm-13 inner member
Outer Member Outside Diameter
1.3745 inches minimum and 1.3750 inches maximum
Outer Member Width
0.6250 inches minimum and 0.6350 inches maximum
Part Name Assigned By Controlling Agency
self lubricating,lined bore,low speed,wide grooved outer ring,-65deg to 325deg f
Style Designator
with insert and/or liner with staking groove

Frequently Asked Questions

Find quick answers to common questions about bearing: M81820/3-12. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-491-7590?
The FSCG of the NSN 3120-01-491-7590 is 3120
Does the NSN 3120-01-491-7590 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-491-7590 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 3120-01-491-7590 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-491-7590 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 3120-01-491-7590 was assigned to the Federal Catalog?
It was assigned 23 years ago, on Wed, Oct 31, 2001

Price & Availability

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