| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-406-6889 (004066889) |
| NCB Code | USA (00) |
| Manufacturer | Ladd Associates Inc, Westinghouse Air Brake Technologies |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 2.172 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 1.125 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 0.219 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.156 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 1.453 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 0.750 NOMINAL |
| AJSH | SEAL ACCOMMODATION TYPE | GROOVED |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| MATT | MATERIAL | COPPER OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Components Related to NSN - 4820-00-406-6889, 4820004066889 | ||||
| 4820-01-373-8958 (4820013738958) | 4820-01-129-8013 (4820011298013) | 4820-01-440-6910 (4820014406910) | 4810-01-523-9395 (4810015239395) | |
| 4810-01-541-8177 (4810015418177) | 4810-01-480-3370 (4810014803370) | 4820-01-190-5941 (4820011905941) | 4820-01-130-0014 (4820011300014) | |
| 4820-01-365-6951 (4820013656951) | 4820-01-414-5558 (4820014145558) | 4820-01-319-9150 (4820013199150) | 4820-00-488-8376 (4820004888376) | |
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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