2620-902ASSYAA1-4IN
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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.
0.250 inches nominal pipe size accommodated, manual valve operation method, threaded bonnet attachment method, socket, weld, pipe connection type, inside screw bonnet type
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
- 0.250 inches
- Bonnet Type
- inside screw
- Bonnet Attachment Method
- threaded
- Valve Operation Method
- manual
- Connection Type
- socket, weld, pipe
- Features Provided
- bonnet packing
- Valve Size
- 0.250 inches
- Maximum Operating Pressure And Media For Which Designed
- 700.0 pounds per square inch water-oil-gas
- Stem Type
- nonrising
- Criticality Code Justification
- zzzy
- Maximum Operating Temp And Media For Which Designed
- 150.0 fahrenheit water-oil-gas
- Inlet Relationship With Outlet
- identical
- Material
- copper alloy 922 body
- Material
- nickel alloy disk
- Material
- nickel alloy seat
- Material
- nickel alloy stem
- Reference Number Differentiating Characteristics
- quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-082-6048 | No Name Available | 02/02/1974 |
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 |
|---|---|
| 2620-902ASSYAA0.25IN | Gate Valve |
| 2620-902ASSYAA0.25INL1 | Gate Valve |
| 2620-902ASSYAA1-4IN | Gate Valve |
| 2620-902ASSYAA1-4INL1 | Gate Valve |
| 845-1889587ASSYAA0.25IN | Gate Valve |
| 845-1889587ASSYAA0.25INL1 | Gate Valve |
| SS845-1889587ASSYAA1-4IN | Gate Valve |
| SS845-1889587ASSYAA1-4INL1 | Gate Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-045-5783?
Does NSN 4820-00-045-5783 require demilitarization?
Does NSN 4820-00-045-5783 contain precious materials?
Does NSN 4820-00-045-5783 contain hazardous materials?
When the NSN 4820-00-045-5783 was assigned to the Federal Catalog?
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Pricing
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