AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Alternative NSN: 4820-00-202-9798 |
| Item Name:Valve Check |
| FSG: 48 Valves |
| Federal Supply Class (FSC): 4820 Valves Nonpowered |
| NIIN: 002029798 |
| NCB Code: USA (00) |
| Manufacturers: The Walworth Company |
ASAP Aerospace, owned and operated by ASAP Semiconductor, is the latest parts procurement platform for the aerospace and aviation industry. Customers can easily search our database to find NSN parts like Valve Check 220WS1 1-4, 277WS1 1-4, DS2161-1PC277WS11-4 of The Walworth Company with NSN 4820-00-202-9798.
NSN 4820-00-202-9798, National Stock Number, is a 13-digit serial number assigned by the US DLA to an item that is bought, stored, and sold via the federal supply chain. Unlike part numbers, NSNs are not arbitrary and follow a specific classification system.
| Part No | Item Name | Manufacturer | QTY | RFQ |
|---|---|---|---|---|
| 220WS1 1-4 | Valve Check | The Walworth Company | Avl | RFQ |
| 277WS1 1-4 | Valve Check | The Walworth Company | Avl | RFQ |
| DS2161-1PC277WS11-4 | Valve Check | The Walworth Company | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | WEIGHT |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AEHZ | MAXIMUM OPERATING TEMP | 550.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING (PIPE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH 1ST RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 700.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| MATT | MATERIAL | COPPER ALLOY 922 BODY |
| MATT | MATERIAL | COPPER ALLOY 922 STEM |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| 4810-00-001-4499 | 4810-00-001-4611 | 4810-00-001-6321 | 4810-00-001-6588 | 4810-00-001-6589 | 4810-00-001-6605 | 4810-00-001-6873 | 4810-00-001-7848 | 4810-00-001-9471 |
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