AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Piston Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-499-3991 (004993991) |
| NCB Code | USA (00) |
| Manufacturer | Hatch And Kirk Inc, General Motors Corp, Arvinmeritor Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | SPECIAL FEATURES | COLD ROLLED STL; 1.875 IN. OD; 0.500 IN. ID; 0.500 IN. THK; SEAT 1.500 IN. OD CHAMFERED 45 DEG;0.875 IN. DIA HUB ONE SIDE 0.250 IN. LG |
| Relevant Components for NSN - 4820-00-499-3991, 4820004993991 | ||||
| 4820-01-437-8926 (4820014378926) | 4820-01-258-2410 (4820012582410) | 4820-00-432-1714 (4820004321714) | 4820-01-271-9629 (4820012719629) | |
| 4820-01-578-9600 (4820015789600) | 4820-00-092-6590 (4820000926590) | 4820-01-417-2811 (4820014172811) | 4820-01-365-0880 (4820013650880) | |
| 4820-01-697-1452 (4820016971452) | 4820-15-149-7310 (4820151497310) | 4820-00-506-2869 (4820005062869) | 4820-00-330-9420 (4820003309420) | |
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