B438
View detailed technical data, stock status, and sourcing information for: B438
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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.
0.7520 inches minimum and 0.7530 inches maximum body outside diameter, 1.4950 inches minimum and 1.5050 inches maximum overall length, 0.6260 inches minimum and 0.6270 inches maximum body inside diameter, 30.0 rockwell c minimum and 70.0 rockwell c maximum overall hardness rating, square all corners corner shape
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Overall Length
- 1.4950 inches minimum and 1.5050 inches maximum
- Body Outside Diameter
- 0.7520 inches minimum and 0.7530 inches maximum
- Body Inside Diameter
- 0.6260 inches minimum and 0.6270 inches maximum
- Corner Shape
- square all corners
- Hardness Rating
- 30.0 rockwell c minimum and 70.0 rockwell c maximum overall
- Material
- copper alloy overall
- Material
- oil lubricating lubrication
- Material Document And Classification
- fb46-3 mfr ref all material responses overall
- Material Document And Classification
- mil-l-15016, symbol 2190 mil spec single material response lubrication
- Style Designator
- solid, plain, no outside flanges
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 3120-01-218-1536 | No Name Available | 11/01/1986 |
Related Parts
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FAQs
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What is the FSCG of the NSN 3120-00-102-7601?
Does the NSN 3120-00-102-7601 have a Schedule B code assigned?
Does NSN 3120-00-102-7601 require demilitarization?
Does NSN 3120-00-102-7601 contain precious materials?
Does NSN 3120-00-102-7601 contain hazardous materials?
When the NSN 3120-00-102-7601 was assigned to the Federal Catalog?
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