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) | 00-394-7426 (003947426) |
| NCB Code | USA (00) |
| Manufacturer | Atlas Valve Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.312 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 1.188 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.125 NOMINAL INCHES |
| AJRM | UNDER FLANGE HEIGHT | 0.312 INCHES NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 1.062 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.688 NOMINAL INCHES SECOND STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.750 NOMINAL INCHES FIRST STEP |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION |
| Relevant Components for NSN - 4820-00-394-7426, 4820003947426 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
Request for Quote