AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Disk Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-218-6054 (002186054) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Electric Corp, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 8835AND9235 | westinghouse electric corp | disk valve | RFQ |
| D15-631JPC644-674-972 | westinghouse electric corp | disk valve | RFQ |
| D15-631JPC643-644-666-674-972 | westinghouse electric corp | disk valve | RFQ |
| D15-631QPC644-674-972 | westinghouse electric corp | disk valve | RFQ |
| 8835 | westinghouse electric corp | disk valve | RFQ |
| 8835 | northrop grumman systems corporation | disk valve | RFQ |
| D15-631RPC644-674-972 | westinghouse electric corp | disk valve | RFQ |
| D15-631PPC644-674-972 | westinghouse electric corp | disk valve | RFQ |
| D15-631BPC644-674-972 | westinghouse electric corp | disk valve | RFQ |
| D15-631JPC643-644-674-972 | westinghouse electric corp | disk valve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAZE | SHANK DIAMETER | 7.747 INCHES NOMINAL |
| ABKK | FLANGE DIAMETER | 1.719 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 3.812 INCHES NOMINAL |
| CRRB | SEAT ANGLE | 40.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM |
| STYL | STYLE DESIGNATOR | POPPET |
| Relevant Components for NSN - 4820-00-218-6054, 4820002186054 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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