4820-00-268-9151
Find complete technical information, availability, and procurement data for: 4820-00-268-9151
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A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.
threaded internal pipe connection type, inside screw bonnet type, bonnet packing features provided, threaded bonnet attachment method, manual valve operation method
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Bonnet Type
- inside screw
- Bonnet Attachment Method
- threaded
- Valve Operation Method
- manual
- Connection Type
- threaded internal pipe
- Features Provided
- bonnet packing
- Valve Size
- 0.250 inches
- Maximum Operating Pressure And Media For Which Designed
- 125.0 pounds per square inch steam and 200.0 pounds per square inch water-oil-gas
- Nominal Thread Size
- 0.250 inches
- Stem Type
- nonrising
- Maximum Operating Temp And Media For Which Designed
- 406.0 fahrenheit steam and 150.0 fahrenheit water-oil-gas
- Inlet Relationship With Outlet
- identical
- Pressure Class
- 125.0 pounds
- Special Features
- solid wedge; tapered seat
- Material
- copper alloy 836 body
- Material
- copper alloy 836 disk
- Material
- copper alloy seat
- Material
- copper alloy stem
- Material Document And Classification
- astm b584 alloy876 assn std single material response stem
- Material Document And Classification
- astm b62 assn std single material response body
- Material Document And Classification
- astmcu0172 assn std single material response disk
- Thread Series Designator
- npt
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-056-7661 | No Name Available | 04/25/1969 |
| 4820-00-203-7056 | No Name Available | 04/21/1969 |
| 4820-00-288-7246 | No Name Available | 11/01/1975 |
| 4820-00-892-2271 | No Name Available | 09/01/2023 |
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 |
|---|---|
| 0250 | Gate Valve |
| 0250 SZ 1/4 IN | Gate Valve |
| 404584-001 | Gate Valve |
| 81223-0107 | Gate Valve |
| CUR1291 | Gate Valve |
| CUW1291 | Gate Valve |
| FIG 370 SIZE 1/4 IN | Gate Valve |
| FIG438 | Gate Valve |
| MPD9484-55-30 | Gate Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
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Does NSN 4820-00-268-9151 require demilitarization?
Does NSN 4820-00-268-9151 contain precious materials?
Does NSN 4820-00-268-9151 contain hazardous materials?
When the NSN 4820-00-268-9151 was assigned to the Federal Catalog?
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