| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-035-9931 (000359931) |
| NCB Code | USA (00) |
| Manufacturer | Griswold Industries Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.297 INCHES MINIMUM FIRST THREADED PORTION |
| AASA | THREAD LENGTH | 0.347 INCHES MAXIMUM SECOND THREADED PORTION |
| ABKK | FLANGE DIAMETER | 2.625 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 2.000 INCHES MINIMUM AND 2.003 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.219 NOMINAL MILS AND 0.229 NOMINAL CENTIMETERS |
| AJRM | UNDER FLANGE HEIGHT | 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 2.375 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| FEAT | SPECIAL FEATURES | TWO LUGS EQUALLY SPACED ON PERIMETER OF FLANGE,0.188 IN.H,0.500 IN.W |
| MATT | MATERIAL | COPPER OVERALL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
| Components Related to NSN - 4820-00-035-9931, 4820000359931 | ||||
| 4820-01-279-1339 (4820012791339) | 4820-01-250-8611 (4820012508611) | 4810-01-039-5970 (4810010395970) | 4820-01-284-4289 (4820012844289) | |
| 4820-01-671-6098 (4820016716098) | 4820-00-287-2199 (4820002872199) | 4820-01-277-6509 (4820012776509) | 4820-01-178-7551 (4820011787551) | |
| 4820-01-064-2440 (4820010642440) | 4820-00-391-3785 (4820003913785) | 4820-00-066-2358 (4820000662358) | 4820-01-197-6798 (4820011976798) | |
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