MS21240-04A011

View detailed technical data, stock status, and sourcing information for: MS21240-04A011
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-390-0540

Item Name Code

13205

Assigment Date

03/28/1974 (52 years ago)

0.2505 inches minimum and 0.2515 inches maximum body inside diameter, 0.3755 inches minimum and 0.3765 inches maximum body outside diameter, aluminum alloy 2024 outer layer material, square all corners corner shape, 0.3338 inches minimum and 0.3438 inches maximum overall length

Product Characteristics

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

Overall Length: 0.3338 inches minimum and 0.3438 inches maximum
Body Outside Diameter: 0.3755 inches minimum and 0.3765 inches maximum
Body Inside Diameter: 0.2505 inches minimum and 0.2515 inches maximum
Corner Shape: square all corners
Material: aluminum alloy 2024 outer layer
Material: plastic polytetrafluoroethylene inner layer
Material Document And Classification: qq-a-200/3,t8511 fed spec single material response or qq-a-225/6,t851 fed spec 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Below is a list of NSNs that have been officially superseded by this NSN: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
3120-00-480-1918	No Name Available	10/01/1979

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
06-382-04A011	Sleeve Bearing
117-00-04-011	Sleeve Bearing
122-0204A011	Sleeve Bearing
91086-04A011	Sleeve Bearing
AD04A011	Sleeve Bearing
AHJ05-A04A11	Sleeve Bearing
ATT04A011	Sleeve Bearing
KDJ04A011	Sleeve Bearing
KDJ04A011-16	Sleeve Bearing
KDJ04A011-341	Sleeve Bearing
KRJ56B-04A011M	Sleeve Bearing
M81934/1-04A011	Sleeve Bearing
MS21240-04A011	Sleeve Bearing
ST4M128-04A011	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-390-0540?

The FSCG of the NSN 3120-00-390-0540 is 3120

Does the NSN 3120-00-390-0540 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-390-0540 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 3120-00-390-0540 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-390-0540 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 3120-00-390-0540 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Thu, Mar 28, 1974