| Item Name | Seatvalve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-873-3851 (008733851) |
| NCB Code | USA (00) |
| Manufacturer | Davey Compressor Co, Drs Environmental Systems Inc, Hdt Expeditionary Systems Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A FIRST THREADED PORTION |
| ADAS | BODY INSIDE DIAMETER | 0.174 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.650 INCHES NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES FIRST THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES SECOND THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC FIRST THREADED PORTION |
| AASA | THREAD LENGTH | 0.230 INCHES MINIMUM SECOND THREADED PORTION |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL FIRST THREADED PORTION |
| ABKW | OVERALL HEIGHT | 0.910 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 0.375 INCHES NOMINAL |
| AJSH | SEAL ACCOMMODATION TYPE | SLEEVE |
| THSD | THREAD SERIES DESIGNATOR | NPT SECOND THREADED PORTION |
| Relevant Components for NSN - 4820-00-873-3851, 4820008733851 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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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