| 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 | National Aerospace Standards Com, Finmeccanica Spa Helicopters, Naval Aircraft Standards |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS521-16-12 | national aerospace standards com | hose air duct | 80205 | RFQ |
| NAS521-16-12 | finmeccanica spa helicopters | hose air duct | a0126 | RFQ |
| NAS522 | national aerospace standards com | hose air duct | 80205 | RFQ |
| NAS522 | naval aircraft standards | hose air duct | 88827 | 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 |
| Components Related to NSN - 4720-00-543-7034, 4720005437034 | ||||
| 4730-00-273-0668 (4730002730668) | 4730-00-452-5058 (4730004525058) | 4730-01-215-2602 (4730012152602) | 4720-01-589-3371 (4720015893371) | |
| 4730-01-623-3034 (4730016233034) | 4720-01-338-2143 (4720013382143) | 4730-00-231-3964 (4730002313964) | 4730-01-513-7769 (4730015137769) | |
| 4720-01-183-8826 (4720011838826) | 4720-00-802-3293 (4720008023293) | 4720-01-031-4413 (4720010314413) | 4710-01-701-3295 (4710017013295) | |
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