21-444-1K

Comprehensive specifications and application details for: 21-444-1K Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 21-444-1K. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
21-444-1K
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-393-6936
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.

square all corners corner shape, 3.3750 inches nominal body outside diameter, steel outer layer material, 3.1875 inches nominal body inside diameter, 1.4375 inches nominal overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-393-6936 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
3.1875 inches nominal
Body Outside Diameter
3.3750 inches nominal
Corner Shape
square all corners
Overall Length
1.4375 inches nominal
Material
steel outer layer
Material
tin alloy inner layer
Style Designator
segmented, plain, no outside flanges

Frequently Asked Questions

Find quick answers to common questions about bearing: 21-444-1K. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-393-6936?
The FSCG of the NSN 3120-00-393-6936 is 3120
Does the NSN 3120-00-393-6936 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-393-6936 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 3120-00-393-6936 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-393-6936 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 3120-00-393-6936 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 21-444-1K

Popular Bearings

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

8756618
3120-00-901-1487
Sleeve Bearing
8756933
3130-00-443-4826
Plain Bearing Unit
8756982
3120-00-905-4422
Sleeve Bushing
8756983
3120-00-904-1413
Sleeve Bushing
87577-3304 ITEM 5
3120-01-210-1577
Sleeve Bushing
87577-3304 ITEM 6
3120-01-159-5768
Sleeve Bushing
87577-3306
3120-01-165-2531
Sleeve Bearing
87577-3309
3120-01-129-0715
Sleeve Bushing
87581542
3110-01-146-7109
Ball Track Roller
8758201
3120-01-238-9686
Thrust Washer Bearing
8758202
3110-00-419-9471
Bearing Retaining Plate
8758208
3110-00-182-7957
Bearing Retaining Plate
8758209
3120-00-692-6124
Thrust Washer Bearing
8758229
3120-00-692-6124
Thrust Washer Bearing
8758287
3110-01-182-4260
Bearing Retaining Plate