4820-00-254-8641
Find complete technical information, availability, and procurement data for: 4820-00-254-8641
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A rigid item of various shapes permanently attached to a structure of an aircraft, designed to provide access for inspection, service, replacement of components and/or adjustments. It is designed to be attached by means of hinges or similar device. It may include self-closing features and have a quick release or other type latching to permit access with a minimum of effort. It may include an observation window. Excludes:cover, access; cover access, aircraft; door, access; door, aircraft and all doors not specficially designed to provide access for the purposes listed above.
right-hand 1st end thread direction, disk or stem flow control device, right-hand 2nd end thread direction, 3a 1st end thread class, 0.125 inches 2nd end nominal pipe size accommodated
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Nominal Pipe Size Accommodated
- 0.125 inches 2nd end
- Thread Class
- 3a 1st end
- Thread Direction
- right-hand 1st end
- Thread Direction
- right-hand 2nd end
- Flow Control Device
- disk or stem
- Connection Style
- flared (tube) 1st end
- Connection Style
- plain (pipe) 2nd end
- Valve Operation Method
- manual
- Connection Type
- threaded external pipe 2nd end
- Connection Type
- threaded external tube 1st end
- Maximum Operating Pressure
- 15.0 pounds per square inch single response
- Nominal Thread Size
- 0.125 inches 2nd end
- Nominal Thread Size
- 0.500 inches 1st end
- Seat Angle
- 45.0 degrees 1st end
- Nominal Outside Diameter Tube Accommodated
- 0.312 inches 1st end
- Material
- copper alloy overall
- Material Document And Classification
- sae ca360 assn std single material response overall
- Style Designator
- straight thru
- Thread Series Designator
- nptf 2nd end
- Thread Series Designator
- unf 1st end
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-142-1991 | No Name Available | 01/01/1960 |
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:
FAQs
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Does NSN 4820-00-254-8641 contain precious materials?
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When the NSN 4820-00-254-8641 was assigned to the Federal Catalog?
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