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) | 00-859-3789 (008593789) |
| NCB Code | USA (00) |
| Manufacturer | Lawler Manufacturing Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| CQJX | NOMINAL THREAD SIZE | 1.875 INCHES SINGLE THREADED PORTION |
| AAJD | THREAD CLASS | 2A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.375 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 2.125 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 1.500 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.375 NOMINAL INCHES |
| AJRM | UNDER FLANGE HEIGHT | 2.500 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 32.000 NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| FEAT | SPECIAL FEATURES | FOUR SLOTS EQUALLY SPACED 0.250 IN.W,0.156 IN. DEEP,TWO 0.750 IN. HOLES DRILLED THROUGH |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| Relevant Components for NSN - 4820-00-859-3789, 4820008593789 | ||||
| 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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