8F6921 Sleeve Bearing

Comprehensive specifications and application details for: 8F6921 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 8F6921. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
8F6921
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-899-4521
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.

0.5000 inches minimum and 0.5030 inches maximum body inside diameter, 0.6280 inches minimum and 0.6290 inches maximum body outside diameter, chamfered outside right corner corner shape, square outside left corner corner shape, square inside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-899-4521 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.5000 inches minimum and 0.5030 inches maximum
Body Outside Diameter
0.6280 inches minimum and 0.6290 inches maximum
Corner Shape
chamfered outside right corner
Corner Shape
square outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Overall Length
0.6250 inches nominal
Material Document And Classification
qq-s-698 fed spec single material response inner layer
Material
copper alloy sae 797 inner layer
Material
steel comp 1008 or steel comp 1009 or steel comp 1015 or steel comp 1018 outer layer
Style Designator
solid, plain, no outside flanges

Frequently Asked Questions

Find quick answers to common questions about bearing: 8F6921. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-899-4521?
The FSCG of the NSN 3120-00-899-4521 is 3120
Does the NSN 3120-00-899-4521 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-899-4521 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 3120-00-899-4521 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-899-4521 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 3120-00-899-4521 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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