4M139P4-020
View detailed technical data, stock status, and sourcing information for: 4M139P4-020
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A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.
0.2550 inches minimum and 0.2670 inches maximum overall length, 0.4900 inches minimum and 0.5100 inches maximum flange outside diameter, 0.3766 inches minimum and 0.3771 inches maximum body outside diameter, 0.2435 inches minimum and 0.2450 inches maximum body inside diameter, 0.0600 inches minimum and 0.0620 inches maximum flange width
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Overall Length
- 0.2550 inches minimum and 0.2670 inches maximum
- Body Outside Diameter
- 0.3766 inches minimum and 0.3771 inches maximum
- Body Inside Diameter
- 0.2435 inches minimum and 0.2450 inches maximum
- Flange Outside Diameter
- 0.4900 inches minimum and 0.5100 inches maximum
- Flange Width
- 0.0600 inches minimum and 0.0620 inches maximum
- 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
- Corner Shape
- undercut left flange body corner
- Material
- copper alloy 630 overall
- Material Document And Classification
- ams 4640 assn std single material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty 2 class 2 fed spec single treatment response overall
- Style Designator
- solid, external flange one end
- Specification/Standard Data
- 76301-4-139 manufacturers standard
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 4M139P4-020 | Sleeve Bushing |
| ST4M139P4-020 | Sleeve Bushing |
| ST4M139P4-20 | Sleeve Bushing |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3120-01-185-4731?
Does the NSN 3120-01-185-4731 have a Schedule B code assigned?
Does NSN 3120-01-185-4731 require demilitarization?
Does NSN 3120-01-185-4731 contain precious materials?
Does NSN 3120-01-185-4731 contain hazardous materials?
When the NSN 3120-01-185-4731 was assigned to the Federal Catalog?
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