| 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 | ||||
| 4820-00-048-7101 (4820000487101) | 4820-01-298-9561 (4820012989561) | 4820-00-391-9342 (4820003919342) | 4820-01-318-0230 (4820013180230) | |
| 4810-01-424-2104 (4810014242104) | 4820-01-686-4523 (4820016864523) | 4820-01-484-2571 (4820014842571) | 4810-01-284-6033 (4810012846033) | |
| 4820-01-658-5111 (4820016585111) | 4820-01-286-6620 (4820012866620) | 4820-01-547-1960 (4820015471960) | 4820-01-012-1718 (4820010121718) | |
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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