| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-097-9818 (010979818) |
| NCB Code | USA (01) |
| Manufacturer | Quincy Compressor Division Of Coltec |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.578 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 2.859 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 2.610 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 2.178 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.028 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.284 INCHES NOMINAL |
| AJSH | SEAL ACCOMMODATION TYPE | RECESSED |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| FEAT | SPECIAL FEATURES | W/4 IDENTICAL MTG SLOTS |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION |
| Relevant Components for NSN - 4820-01-097-9818, 4820010979818 | ||||
| 4810-01-082-6236 (4810010826236) | 4820-01-353-3012 (4820013533012) | 4820-01-343-6188 (4820013436188) | 4820-01-182-0778 (4820011820778) | |
| 4820-01-279-9726 (4820012799726) | 4820-01-650-3218 (4820016503218) | 4820-01-554-6644 (4820015546644) | 4810-01-508-9300 (4810015089300) | |
| 4820-01-050-6401 (4820010506401) | 4820-01-565-3783 (4820015653783) | 4820-01-465-6661 (4820014656661) | 4820-01-316-3323 (4820013163323) | |
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