ASTM-B438

Comprehensive specifications and application details for: ASTM-B438 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: ASTM-B438. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
ASTM-B438
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-080-0089
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
12/13/1967

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.

0.5640 inches minimum and 0.5650 inches maximum body outside diameter, 30.0 rockwell c minimum and 70.0 rockwell c maximum overall hardness rating, 0.4380 inches minimum and 0.4390 inches maximum body inside diameter, square all corners corner shape, 0.4950 inches minimum and 0.5050 inches maximum overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-080-0089 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.4380 inches minimum and 0.4390 inches maximum
Body Outside Diameter
0.5640 inches minimum and 0.5650 inches maximum
Corner Shape
square all corners
Hardness Rating
30.0 rockwell c minimum and 70.0 rockwell c maximum overall
Overall Length
0.4950 inches minimum and 0.5050 inches maximum
Material Document And Classification
mil-b-8657,type 1,comp a mil spec 1st material response or mil-b-8657,type 1,comp b mil spec 2nd material response overall
Material Document And Classification
mil-l-15016, symbol 2190 mil spec single material response lubrication
Material
copper alloy overall
Material
oil lubricating lubrication
Nondefinitive Spec/Std Data
1 type or a composition or b composition
Style Designator
solid, plain, no outside flanges

Replaces

The NSN 3120-00-080-0089 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-287-6892 No Name Available 08/09/1972

Frequently Asked Questions

Find quick answers to common questions about bearing: ASTM-B438. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-080-0089?
The FSCG of the NSN 3120-00-080-0089 is 3120
Does the NSN 3120-00-080-0089 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-080-0089 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 3120-00-080-0089 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-080-0089 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 3120-00-080-0089 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Dec 13, 1967

Price & Availability

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