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) | 00-872-5276 (008725276) |
| NCB Code | USA (00) |
| Manufacturer | Griswold Industries Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | Thread Length | 0.335 INCHES NOMINAL SINGLE THREADED PORTION |
| ADAS | Body Inside Diameter | 4.000 INCHES NOMINAL |
| AAJD | Thread Class | 2A SINGLE THREADED PORTION |
| AJRF | Flange Seat To Disk End Height | 0.375 INCHES NOMINAL |
| MATT | Material | COPPER ALLOY OVERALL |
| AJRM | Under Flange Height | 0.965 INCHES NOMINAL |
| AJSG | Seat Angle In Deg | 30.000 NOMINAL |
| CQJX | Nominal Thread Size | 1.250 INCHES SINGLE THREADED PORTION |
| THSD | Thread Series Designator | UN SINGLE THREADED PORTION |
| ABKK | Flange Diameter | 5.380 INCHES NOMINAL |
| CMLP | Thread Quantity Per Inch | 16 SINGLE THREADED PORTION |
| STYL | Style Designator | THREADED FLANGED |
| MRC | Decoded Requirement | Clear Text Reply |
| CQKM | Seating Surface Shape | ANGULAR |
| Relevant Components for NSN - 4820-00-872-5276, 4820008725276 | ||||
| 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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