# NSN 4720-01-654-4531: Hose, Air Duct

NSN 4720-01-654-4531 (also written 4720016544531; NIIN 01-654-4531) is a hose, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 5 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4720-01-654-4531 (4720016544531)
- NIIN: 01-654-4531 (016544531)
- 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 2026-10-13)
- Acquisition method code: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAGT | WALL THICKNESS | INCHES MINIMUM 0.040 AND INCHES MAXIMUM 0.080 |
| AARX | INSIDE DIAMETER | BOTH ENDS INCHES NOMINAL 2.0 |
| ABJH | TEMP RATING | FAHRENHEIT -65.0 AND FAHRENHEIT 250.0 |
| ABKV | OUTSIDE DIAMETER | BOTH ENDS INCHES MAXIMUM 2.5 |
| ACKH | MINIMUM INSIDE BENDING RADIUS | INCHES 2.0 |
| CQQF | OPERATING PRESSURE | POUNDS PER SQUARE INCH (PSI) MAXIMUM 30.0 |
| CRXX | MEASURING METHOD AND LENGTH | INCHES NOMINAL OVERALL 7.5 |
| MATT | MATERIAL | REINFORCING WIRE STEEL |
| MATT | MATERIAL | SINGLE PLY RUBBER CHLOROPRENE CLASS CR AND FIBERGLASS |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AS1503 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1503 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1503-08A0072 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1503-08A0072 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAE-AS1501 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M4-27-T-1107 | 2 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720016544531&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720016544531&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720016544531
- 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/4720-01-654-4531/
JSON: https://nsnexplorer.com/api/nsn/4720-01-654-4531.json