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) | 01-181-1920 (011811920) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS520-8-18 | national aerospace standards com | hose air duct | RFQ |
| NAS522 | national aerospace standards com | hose air duct | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | ROUND |
| AAGT | WALL THICKNESS | 0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
| AARX | INSIDE DIAMETER | 1.000 INCHES NOMINAL FIRST END |
| AWLS | CONNECTION TYPE | PLAIN FIRST END |
| CQGM | MAXIMUM OPERATING PRESSURE | 20.0 POUNDS PER SQUARE INCH |
| CRXX | MEASURING METHOD AND LENGTH | 4.500 INCHES NOMINAL OVERALL |
| STYL | STYLE DESIGNATOR | SLEEVE SECTION |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 4720-01-181-1920, 4720011811920 | ||||
| 4720-00-906-9886 (4720009069886) | 4730-00-082-5929 (4730000825929) | 4720-00-405-6354 (4720004056354) | 4730-01-189-5520 (4730011895520) | |
| 4720-99-052-0970 (4720990520970) | 4720-01-198-9803 (4720011989803) | 4710-01-434-3220 (4710014343220) | 4730-00-202-8098 (4730002028098) | |
| 4730-01-415-3256 (4730014153256) | 4730-01-058-2167 (4730010582167) | 4730-01-590-9027 (4730015909027) | 4730-01-017-8286 (4730010178286) | |
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