| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-001-9549 (000019549) |
| NCB Code | USA (00) |
| Manufacturer | Meggitt International Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADAR | BODY OUTSIDE DIAMETER | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.127 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AAJD | THREAD CLASS | 2A SINGLE THREADED PORTION |
| THSD | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION |
| AJFZ | SEAT RADIUS | 0.187 INCHES NOMINAL |
| ABKK | FLANGE DIAMETER | 0.500 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| AJSH | SEAL ACCOMMODATION TYPE | GROOVED |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES SINGLE THREADED PORTION |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| AASA | THREAD LENGTH | 0.160 INCHES NOMINAL SINGLE THREADED PORTION |
| Components Related to NSN - 4820-00-001-9549, 4820000019549 | ||||
| 4820-01-581-0691 (4820015810691) | 4820-01-690-9757 (4820016909757) | 4810-01-273-7409 (4810012737409) | 4820-01-270-2569 (4820012702569) | |
| 4820-01-156-4780 (4820011564780) | 4820-01-067-2617 (4820010672617) | 4820-01-229-4195 (4820012294195) | 4810-01-669-3030 (4810016693030) | |
| 4820-01-445-7577 (4820014457577) | 4820-00-442-3835 (4820004423835) | 4820-01-252-7931 (4820012527931) | 4820-01-308-4318 (4820013084318) | |
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.
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