MS21240-07C016

View detailed technical data, stock status, and sourcing information for: MS21240-07C016
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-003-1758

Item Name Code

13205

Assigment Date

05/21/1972 (54 years ago)

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.

0.4380 inches minimum and 0.4390 inches maximum body inside diameter, square all corners corner shape, 0.5633 inches minimum and 0.5638 inches maximum body outside diameter, 27.0 rockwell c minimum and 32.0 rockwell c maximum outer layer hardness rating, 0.4900 inches minimum and 0.5000 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: 0.4900 inches minimum and 0.5000 inches maximum
Body Outside Diameter: 0.5633 inches minimum and 0.5638 inches maximum
Body Inside Diameter: 0.4380 inches minimum and 0.4390 inches maximum
Corner Shape: square all corners
Hardness Rating: 27.0 rockwell c minimum and 32.0 rockwell c maximum outer layer
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 or steel comp 410 or steel comp 416 outer layer
Material Document And Classification: ams 5643 assn std 1st material response or aisi 410 assn std 2nd material response or aisi 416 assn std 3rd 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
3120-00-450-5013	No Name Available	09/14/1973

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
06-211-07-016	Sleeve Bearing
101-2007-016	Sleeve Bearing
AT07SS016	Sleeve Bearing
KDJ07C016-240	Sleeve Bearing
MS21240-07C016	Sleeve Bearing
NH07C016	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-003-1758?

The FSCG of the NSN 3120-00-003-1758 is 3120

Does the NSN 3120-00-003-1758 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-003-1758 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 3120-00-003-1758 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-003-1758 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 3120-00-003-1758 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, May 21, 1972