MS21240-04A011

Comprehensive specifications and application details for: MS21240-04A011 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: MS21240-04A011. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
MS21240-04A011
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-390-0540
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
03/28/1974

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

0.3755 inches minimum and 0.3765 inches maximum body outside diameter, 0.3338 inches minimum and 0.3438 inches maximum overall length, square all corners corner shape, 0.2505 inches minimum and 0.2515 inches maximum body inside diameter, qq-a-200/3,t8511 fed spec single material response or qq-a-225/6,t851 fed spec single material response outer layer material document and classification

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-390-0540 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.2505 inches minimum and 0.2515 inches maximum
Body Outside Diameter
0.3755 inches minimum and 0.3765 inches maximum
Corner Shape
square all corners
Overall Length
0.3338 inches minimum and 0.3438 inches maximum
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
Material
aluminum alloy 2024 outer layer
Material
plastic polytetrafluoroethylene inner layer
Style Designator
solid, plain, no outside flanges

Replaces

The NSN 3120-00-390-0540 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-480-1918 No Name Available 10/01/1979

Frequently Asked Questions

Find quick answers to common questions about bearing: MS21240-04A011. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

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 51 years ago, on Thu, Mar 28, 1974

Price & Availability

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