# NSN 4720-01-170-4691: Hose, Air Duct

NSN 4720-01-170-4691 (also written 4720011704691; NIIN 01-170-4691) is a hose, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4720-01-170-4691 (4720011704691)
- NIIN: 01-170-4691 (011704691)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAGT | WALL THICKNESS | INCHES NOMINAL 0.070 |
| AARX | INSIDE DIAMETER | FIRST END INCHES NOMINAL 6.000 |
| AWLS | CONNECTION TYPE | FIRST END PLAIN |
| CQQF | OPERATING PRESSURE | POUNDS PER SQUARE INCH (PSI) MAXIMUM 40.0 |
| CRXX | MEASURING METHOD AND LENGTH | INCHES NOMINAL OVERALL 3.500 |
| FEAT | SPECIAL FEATURES | BEAD IN CNETER OF HOSE LENGTH |
| MATT | MATERIAL | FIRST PLY FIBERGLASS AND RUBBER SYNTHETIC |
| MATT | MATERIAL | SECOND PLY FIBERGLASS AND RUBBER SYNTHETIC |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 713081 | 70628 | ARROWHEAD PRODUCTS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 713081-1 | 70628 | ARROWHEAD PRODUCTS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 757673-1 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [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=4720011704691&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720011704691
- 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/4720-01-170-4691/
JSON: https://nsnexplorer.com/api/nsn/4720-01-170-4691.json