We've received your request for 420WS1 2IN (described as Valve Check), manufactured by The Walworth Company with CAGE code 63686. This part is registered under NSN 4820-01-343-9815, classified in FSG 48 Valves / FSC 4820 Valves Nonpowered. Our verification process will confirm traceability through supporting identifiers including NIIN 01-343-9815, NCB code 01 (origin: USA), and INC 05487. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your 420WS1 2IN requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-01-343-9815 Item PartTypeName: VALVE,CHECK | 4820 | 013439815 | N | |||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | ||||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 3420WS1/2IN | 5 | 2 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| CWCF | FACE TO FACE DISTANCE | 2.625 INCHES |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
| CRITL | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
|---|---|
| HMIC | N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials. |
| PMIC | U - Precious metal content is unknown |
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