4WS
View detailed technical data, stock status, and sourcing information for: 4WS
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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 external tube connection type, inside screw bonnet type, threaded bonnet attachment method, manual valve operation method, 3a thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Bonnet Type
- inside screw
- Bonnet Attachment Method
- threaded
- Valve Operation Method
- manual
- Connection Type
- threaded external tube
- Valve Size
- 0.500 inches
- Thread Quantity Per Inch
- 24
- Nominal Thread Size
- 0.938 inches
- Stem Type
- rising
- Inlet Relationship With Outlet
- identical
- Special Features
- each valve shall have three buna-n rings packed in a bag and securely attached with instructions. o rings for oil service only
- Material
- copper alloy body
- Material
- nickel alloy k-500 stem
- Material
- nickel alloy or nickel alloy 400 seat
- Material
- nickel alloy 400 or nickel alloy disk
- Thread Series Designator
- uns
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-089-7670 | No Name Available | 10/06/1971 |
| 4820-00-287-2624 | No Name Available | 08/18/1971 |
| 4820-00-293-7744 | No Name Available | 10/16/1971 |
| 4820-00-814-1856 | No Name Available | 02/01/1977 |
| 4820-01-155-6479 | No Name Available | 05/27/2015 |
| 4820-01-455-2755 | No Name Available | 01/01/2004 |
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 |
|---|---|
| 2102-54-552AND5 | Gate Valve |
| 2184-0.50IPS | Gate Valve |
| 3255628-2 | Gate Valve |
| 4-23125-17 | Gate Valve |
| 4820PL1341186 | Gate Valve |
| 4WS | Gate Valve |
| 803-1385714-3 | Gate Valve |
| 803-1385714-32 | Gate Valve |
| 803-1385714-3RE | Gate Valve |
| 803-1385714-3XAF | Gate Valve |
| 810-1385714 | Gate Valve |
| C-35650-M .50IN | Gate Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-184-9107?
Does NSN 4820-00-184-9107 require demilitarization?
Does NSN 4820-00-184-9107 contain precious materials?
Does NSN 4820-00-184-9107 contain hazardous materials?
When the NSN 4820-00-184-9107 was assigned to the Federal Catalog?
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Surplus | 3 |
| Total | 3 |