ASTM B 438/B 438M

Comprehensive specifications and application details for: ASTM B 438/B 438M Sleeve Bearing.

Summary

Explore detailed summary information for bearing: ASTM B 438/B 438M. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
ASTM B 438/B 438M
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-287-7546
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.

round left flange body corner corner shape, 0.7515 inches minimum and 0.7525 inches maximum body outside diameter, square left flange outside right corner corner shape, 0.6255 inches minimum and 0.6265 inches maximum body inside diameter, square outside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-287-7546 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.6255 inches minimum and 0.6265 inches maximum
Body Outside Diameter
0.7515 inches minimum and 0.7525 inches maximum
Corner Shape
round left flange body corner
Corner Shape
square left flange outside right corner
Corner Shape
square outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Corner Shape
square outside right corner
Flange Outside Diameter
0.9975 inches minimum and 1.0025 inches maximum
Flange Width
0.0938 inches nominal
Overall Length
1.0000 inches nominal
Material Document And Classification
mil-b-5697,ty 1,comp a mil spec single material response overall
Material
copper alloy overall
Material
oil lubricating lubrication
Style Designator
solid, external flange one end

Replaces

The NSN 3120-00-287-7546 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-288-2829 No Name Available 08/09/1971
3120-00-889-2234 No Name Available 07/23/1974

Frequently Asked Questions

Find quick answers to common questions about bearing: ASTM B 438/B 438M. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-287-7546?
The FSCG of the NSN 3120-00-287-7546 is 3120
Does the NSN 3120-00-287-7546 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-287-7546 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 3120-00-287-7546 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-287-7546 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 3120-00-287-7546 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

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