| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-180-2901 (011802901) |
| NCB Code | USA (01) |
| Manufacturer | Metrex Valve Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.981 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 0.803 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.873 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.224 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 45.000 NOMINAL |
| AJSH | SEAL ACCOMMODATION TYPE | GROOVED |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.497 INCHES NOMINAL FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.754 INCHES NOMINAL SECOND STEP |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Components Related to NSN - 4820-01-180-2901, 4820011802901 | ||||
| 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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