| Item Name | Coupling Boss |
| Federal Supply Group (FSG) | Pipe Tubing Hose and Fittings |
| Federal Supply Class (FSC) | 4730 Hose Pipe Tube Lubrication and Railing Fittings |
| National Item Identification Number (NIIN) | 01-170-5321 (011705321) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Rockwell Collins Inc, Mcdonnell Douglas Helicopter Co Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 7-311112017-41 | boeing company the | coupling boss | RFQ |
| 21602-2 | rockwell collins inc | coupling boss | RFQ |
| 21602-1 | rockwell collins inc | coupling boss | RFQ |
| 7-311112017-41 | mcdonnell douglas helicopter co inc | coupling boss | RFQ |
| Relevant Components for NSN - 4730-01-170-5321, 4730011705321 | ||||
| 4730-01-436-2114 (4730014362114) | 4710-01-202-7787 (4710012027787) | 4720-01-526-5273 (4720015265273) | 4720-01-408-1219 (4720014081219) | |
| 4730-01-622-4160 (4730016224160) | 4720-01-589-9450 (4720015899450) | 4720-01-201-5242 (4720012015242) | 4730-00-409-1688 (4730004091688) | |
| 4720-01-137-0340 (4720011370340) | 4710-01-512-8267 (4710015128267) | 4720-01-703-1112 (4720017031112) | 4730-01-478-4701 (4730014784701) | |
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