AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Seal Ring Assembly |
| Federal Supply Group (FSG) | Pumps and Compressors |
| Federal Supply Class (FSC) | 4320 Power And Hand Pumps |
| National Item Identification Number (NIIN) | 01-120-8837 (011208837) |
| NCB Code | USA (01) |
| Manufacturer | Blackmer System One Inc, A W Chesterton Company |
| Relevant Components for NSN - 4320-01-120-8837, 4320011208837 | ||||
| 4320-00-221-4546 (4320002214546) | 4330-00-050-1663 (4330000501663) | 4320-01-028-7260 (4320010287260) | 4330-01-196-7398 (4330011967398) | |
| 4330-01-257-2505 (4330012572505) | 4320-01-597-0513 (4320015970513) | 4320-01-532-4142 (4320015324142) | 4320-00-403-0889 (4320004030889) | |
| 4320-00-908-1520 (4320009081520) | 4320-00-056-2445 (4320000562445) | 4330-01-111-8990 (4330011118990) | 4320-01-210-5909 (4320012105909) | |
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