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 | Walworth Co The, The Walworth Company, Electric Boat Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 70061948 | walworth co the | seat valve | RFQ |
| 70061948 | the walworth company | seat valve | RFQ |
| 2620-902ASSYBPC25 1-2IN | electric boat corporation | seat valve | RFQ |
| 2620-902 | electric boat corporation | seat valve | RFQ |
| 2620-902X8 PC25 | electric boat corporation | seat valve | RFQ |
| 2620-902ASSYBPC25 1-2IN | the walworth company | 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 | ||||
| 4820-01-573-8320 (4820015738320) | 4820-00-467-8973 (4820004678973) | 4820-01-386-0694 (4820013860694) | 4820-00-757-2955 (4820007572955) | |
| 4820-01-182-4540 (4820011824540) | 4810-00-405-7557 (4810004057557) | 4810-01-714-4038 (4810017144038) | 4820-00-289-3941 (4820002893941) | |
| 4810-01-498-2634 (4810014982634) | 4820-01-153-1851 (4820011531851) | 4820-01-232-8015 (4820012328015) | 4820-01-425-3725 (4820014253725) | |
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