M81820/3-12

View detailed technical data, stock status, and sourcing information for: M81820/3-12
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-491-7590

Item Name Code

13208

Assigment Date

10/31/2001 (24 years ago)

A capacitor, whose capacitance value cannot be adjusted or varied, having a ceramic dielectric. It may be a single unit, or consist of two or more fixed units which cannot be separated.

0.6250 inches minimum and 0.6350 inches maximum outer member width, 0.8730 inches minimum and 0.8750 inches maximum inner member width, 1.3745 inches minimum and 1.3750 inches maximum outer member outside diameter, self lubricating,lined bore,low speed,wide grooved outer ring,-65deg to 325deg f part name assigned by controlling agency, 0.7500 inches minimum and 0.7510 inches maximum bore diameter

Product Characteristics

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

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

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
M81820/3-12	Self-Aligning Plain Bearing

FAQs

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

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 24 years ago, on Wed, Oct 31, 2001