KMS421 Sleeve Bearing

Comprehensive specifications and application details for: KMS421 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: KMS421. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KMS421
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-657-5143
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1963

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.

copper alloy 172 or copper alloy 173 overall material, qq-c-530 fed spec single material response overall material document and classification

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-657-5143 . Find dimensions, materials, tolerances, performance characteristics, etc.

Material Document And Classification
qq-c-530 fed spec single material response overall
Material
copper alloy 172 or copper alloy 173 overall

Frequently Asked Questions

Find quick answers to common questions about bearing: KMS421. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-657-5143?
The FSCG of the NSN 3120-00-657-5143 is 3120
Does the NSN 3120-00-657-5143 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-657-5143 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 3120-00-657-5143 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-657-5143 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 3120-00-657-5143 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Price & Availability

Fill out the form to get pricing and availability details for the bearing: KMS421

Popular Bearings

Browse our selection of high-demand, high-performance bearings:

HM212046
3110-00-905-6151
Tapered Roller Cone and Rollers
HM212046HM212010
3110-00-968-1828
Tapered Roller Bearing
HM212047
3110-00-293-8566
Tapered Roller Cone and Rollers
HM212047-HM212011
3110-01-077-8695
Tapered Roller Bearing
HM212049
3110-00-293-8998
Tapered Roller Cone and Rollers
HM212049-2-395
3110-01-130-6599
Tapered Roller Cone and Rollers
HM212049-20024
3110-01-584-1079
Tapered Roller Bearing Cone
HM212049-4-395
3110-01-130-6599
Tapered Roller Cone and Rollers
HM212049-56697
3110-00-293-8998
Tapered Roller Cone and Rollers
HM212049-HM212010
3110-00-068-0260
Tapered Roller Bearing
HM212049HM212010
3110-00-068-0260
Tapered Roller Bearing
HM212049HM212011
3110-00-829-0575
Tapered Roller Bearing
HM212049X
3110-01-081-6197
Tapered Roller Cone and Rollers
HM212HM212049-HM212011
3110-00-829-0575
Tapered Roller Bearing
HM218210
3110-00-618-0249
Tapered Roller Bearing Cup