MS21240-12C016

View detailed technical data, stock status, and sourcing information for: MS21240-12C016
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-222-3156

Item Name Code

13205

Assigment Date

12/10/1985 (40 years ago)

A switch which is externally actuated by a lever and whose contacts open and close with an instantaneous (snap) action; includes items having one or more momentary positions. Includes switches (snap action) which use mercury to bridge contacts, and assemblages of complete switches (snap action) having common actuators. Excludes:switch,lever; switch,rotary; switch,knife; switch,sensitive; and switch,box.

0.7505 inches minimum and 0.7515 inches maximum body inside diameter, 125.0 microinches inside diameter surface of body surface finish, square all corners corner shape, 0.4900 inches minimum and 0.5000 inches maximum overall length, 0.9388 inches minimum and 0.9393 inches maximum body outside diameter

Product Characteristics

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

Overall Length: 0.4900 inches minimum and 0.5000 inches maximum
Body Outside Diameter: 0.9388 inches minimum and 0.9393 inches maximum
Body Inside Diameter: 0.7505 inches minimum and 0.7515 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-405-3209	No Name Available	10/01/1986

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
M81934/1-12C016	Sleeve Bearing
MS21240-12C016	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-222-3156?

The FSCG of the NSN 3120-01-222-3156 is 3120

Does the NSN 3120-01-222-3156 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-222-3156 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 3120-01-222-3156 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-222-3156 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 3120-01-222-3156 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Tue, Dec 10, 1985