377-3-4IN
View detailed technical data, stock status, and sourcing information for: 377-3-4IN
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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.
bonnet packing features provided, union bonnet attachment method, inside screw bonnet type, manual valve operation method, threaded internal pipe connection type
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
- union
- Valve Operation Method
- manual
- Connection Type
- threaded internal pipe
- Features Provided
- bonnet packing
- Valve Size
- 0.750 inches
- Maximum Operating Pressure And Media For Which Designed
- 300.0 pounds per square inch steam and 1000.0 pounds per square inch water-oil-gas
- Nominal Thread Size
- 0.750 inches
- Stem Type
- rising
- Maximum Operating Temp And Media For Which Designed
- 500.0 fahrenheit steam and 550.0 fahrenheit water-oil-gas
- Inlet Relationship With Outlet
- identical
- Pressure Class
- 300.0 pounds
- Special Features
- solid wedge
- Material
- copper alloy 922 body
- Material
- copper alloy disk
- Material
- copper alloy seat
- Material
- copper alloy stem
- Material Document And Classification
- astm b-61 assn std single material response body
- Material Document And Classification
- astm wpc alloy 56 assn std single material response disk
- Material Document And Classification
- astm wpc alloy 69 assn std single material response stem
- Thread Series Designator
- npt
- Furnished Items And Quantity
- 1 handwheel
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-050-7785 | No Name Available | 09/01/2023 |
| 4820-00-204-1773 | No Name Available | 09/01/1982 |
| 4820-00-287-2842 | No Name Available | 11/01/1983 |
| 4820-00-288-7197 | No Name Available | 11/01/1972 |
| 4820-00-814-0827 | No Name Available | 12/08/1972 |
| 4820-00-841-9268 | No Name Available | 01/31/1969 |
| 4820-00-855-2479 | No Name Available | 02/18/1973 |
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 |
|---|---|
| 0264-N-3-4IN | Gate Valve |
| 1184-700 34 | Gate Valve |
| 1184M-3/4IN | Gate Valve |
| 1184M-34 | Gate Valve |
| 377-3-4IN | Gate Valve |
| 634E | Gate Valve |
| 708NAW-3-4 | Gate Valve |
| T-174-A 3/4IN | Gate Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-062-4139?
Does NSN 4820-00-062-4139 require demilitarization?
Does NSN 4820-00-062-4139 contain precious materials?
Does NSN 4820-00-062-4139 contain hazardous materials?
When the NSN 4820-00-062-4139 was assigned to the Federal Catalog?
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Pricing
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