| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-231-4126 (012314126) |
| NCB Code | USA (01) |
| Manufacturer | Crane Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.650 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 3.875 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 2.625 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.630 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.810 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 15.000 NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 11-1/2 SINGLE THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 3.515 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| FEAT | SPECIAL FEATURES | STANDARD TYPE SEAT |
| MATT | MATERIAL | COBALT ALLOY BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A567 GR.12 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| Relevant Components for NSN - 4820-01-231-4126, 4820012314126 | ||||
| 4820-01-038-4466 (4820010384466) | 4820-01-273-0523 (4820012730523) | 4810-01-109-0757 (4810011090757) | 4820-01-252-6182 (4820012526182) | |
| 4820-00-337-1107 (4820003371107) | 4820-01-443-7595 (4820014437595) | 4820-01-184-1099 (4820011841099) | 4820-00-674-6082 (4820006746082) | |
| 4820-01-547-9309 (4820015479309) | 4820-01-346-0633 (4820013460633) | 4820-01-627-9771 (4820016279771) | 4810-01-466-3592 (4810014663592) | |
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