# NSN 4720-01-650-1691: Hose, Air Duct

NSN 4720-01-650-1691 (also written 4720016501691; NIIN 01-650-1691) is a hose, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4720-01-650-1691 (4720016501691)
- NIIN: 01-650-1691 (016501691)
- Item name: HOSE,AIR DUCT
- Federal Supply Class: [FSC 4720 Hose and Flexible Tubing](https://nsnexplorer.com/fsc/4720/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AARX | INSIDE DIAMETER | BOTH ENDS INCHES MINIMUM 8.000 AND INCHES MAXIMUM 8.125 |
| CRXX | MEASURING METHOD AND LENGTH | INCHES MINIMUM OVERALL 72.00 AND INCHES MAXIMUM OVERALL 72.25 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | HOSE, AIR DUCT, STRAIGHT, ROUND |
| MATT | MATERIAL | ALL PLIES PLASTIC ARAMID |
| MATT | MATERIAL | REINFORCING CORD PLASTIC ARAMID |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| M32107/1 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M32107/1-26635-W | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M32107/1-26635-W | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-PRF-32107/1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720016501691&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720016501691
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4720-01-650-1691/
JSON: https://nsnexplorer.com/api/nsn/4720-01-650-1691.json