AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-051-8366 (010518366) |
| NCB Code | USA (01) |
| Manufacturer | The Walworth Company, Walworth Co The, Electric Boat Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 2620-902ASSYBPC25 1-2IN | the walworth company | seat valve | RFQ |
| 70061948 | the walworth company | seat valve | RFQ |
| 70061948 | walworth co the | seat valve | RFQ |
| 2620-902ASSYBPC25 1-2IN | electric boat corporation | seat valve | RFQ |
| 2620-902X8 PC25 | electric boat corporation | seat valve | RFQ |
| 2620-902 | electric boat corporation | seat valve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.937 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 0.500 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.108 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.312 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| Relevant Components for NSN - 4820-01-051-8366, 4820010518366 | ||||
| 4820-01-248-5022 (4820012485022) | 4820-01-511-3905 (4820015113905) | 4820-00-108-8528 (4820001088528) | 4820-01-613-0942 (4820016130942) | |
| 4820-00-319-7643 (4820003197643) | 4820-01-577-0941 (4820015770941) | 4820-01-262-2542 (4820012622542) | 4820-01-607-4294 (4820016074294) | |
| 4820-01-148-9327 (4820011489327) | 4820-01-292-9537 (4820012929537) | 4820-01-230-6363 (4820012306363) | 4820-01-151-4016 (4820011514016) | |
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