AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Hose Air Duct |
| Federal Supply Group (FSG) | Pipe Tubing Hose and Fittings |
| Federal Supply Class (FSC) | 4720 Hose and Tubing Flexible |
| National Item Identification Number (NIIN) | 00-543-7034 (005437034) |
| NCB Code | USA (00) |
| Manufacturer | Naval Aircraft Standards, National Aerospace Standards Com, Finmeccanica Spa Helicopters |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS522 | naval aircraft standards | hose air duct | RFQ |
| NAS521-16-12 | national aerospace standards com | hose air duct | RFQ |
| NAS522 | national aerospace standards com | hose air duct | RFQ |
| NAS521-16-12 | finmeccanica spa helicopters | hose air duct | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | ROUND |
| AAGT | WALL THICKNESS | 0.030 INCHES MINIMUM AND 0.093 INCHES MAXIMUM |
| AARX | INSIDE DIAMETER | 2.000 INCHES NOMINAL FIRST END |
| AWLS | CONNECTION TYPE | PLAIN BOTH ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 20.0 POUNDS PER SQUARE INCH |
| CRXX | MEASURING METHOD AND LENGTH | 3.000 INCHES NOMINAL OVERALL |
| MATT | MATERIAL | RUBBER SYNTHETIC ALL PLIES AND COTTON ALL PLIES |
| STYL | STYLE DESIGNATOR | SLEEVE SECTION |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS522 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 4720-00-543-7034, 4720005437034 | ||||
| 4730-01-264-0647 (4730012640647) | 4710-01-087-3570 (4710010873570) | 4730-01-682-8244 (4730016828244) | 4730-01-487-9458 (4730014879458) | |
| 4710-00-243-6475 (4710002436475) | 4710-01-534-2995 (4710015342995) | 4720-01-543-1738 (4720015431738) | 4710-01-354-1183 (4710013541183) | |
| 4730-00-911-7118 (4730009117118) | 4720-00-789-6624 (4720007896624) | 4710-01-217-9553 (4710012179553) | 4720-01-342-8657 (4720013428657) | |
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