| Item Name | Piston Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4810 Valves Powered |
| National Item Identification Number (NIIN) | 01-420-1944 (014201944) |
| NCB Code | USA (01) |
| Manufacturer | Grimes Aerospace Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | Inside Diameter | 0.730 INCHES NOMINAL |
| ABHP | Overall Length | 0.773 INCHES MINIMUM AND 0.779 INCHES MAXIMUM |
| CYDY | Valve Model Number For Which Designed | 52E61-3 |
| MRC | Decoded Requirement | Clear Text Reply |
| CYDX | Valve Design Control Activity | 72914 |
| FEAT | Special Features | MATERIAL, TYPE 6AL-4V TITANIUM BAR, CONDITION ANNEALED, PER AMS 4928 |
| ABHE | Outside Diameter | 0.925 INCHES MINIMUM AND 0.930 INCHES MAXIMUM |
| AGAV | End Item Identification | NAV-8A/B/CDCN |
| Relevant Components for NSN - 4810-01-420-1944, 4810014201944 | ||||
| 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) | |
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