| Item Name | Piston Valve |
| INC Code | 36944 |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 21-920-4487 (219204487) |
| NCB Code | Canada (21) |
| Manufacturer | Jastram Engineering Ltd |
| Relevant Components for NSN - 4820-21-920-4487, 4820219204487 | ||||
| 4820-20-001-3876 (4820200013876) | 4820-25-150-1638 (4820251501638) | 4820-22-123-8550 (4820221238550) | 4820-22-269-1928 (4820222691928) | |
| 4820-22-123-8551 (4820221238551) | 4820-21-921-1608 (4820219211608) | 4820-22-269-1571 (4820222691571) | 4820-22-269-0019 (4820222690019) | |
| 4820-20-003-2686 (4820200032686) | 4820-20-000-3673 (4820200003673) | 4820-21-921-1337 (4820219211337) | 4820-22-269-2572 (4820222692572) | |
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AS9120B and ISO 9001:2015 |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
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