# NSN 4720-01-559-1431: Hose, Air Duct

NSN 4720-01-559-1431 (also written 4720015591431; NIIN 01-559-1431) is a hose, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4720-01-559-1431 (4720015591431)
- NIIN: 01-559-1431 (015591431)
- 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 | — |
| AAGT | WALL THICKNESS | INCHES NOMINAL 0.065 |
| AARX | INSIDE DIAMETER | BOTH ENDS INCHES NOMINAL 1.500 |
| ABKV | OUTSIDE DIAMETER | BOTH ENDS INCHES NOMINAL 1.630 |
| ACKH | MINIMUM INSIDE BENDING RADIUS | INCHES 1.500 |
| AGAV | END ITEM IDENTIFICATION | HH/UH1 HELICOPTER |
| AGQM | END OVERALL LENGTH | SECOND END INCHES NOMINAL 1.250 |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | FIRST END PLAIN |
| AWLS | CONNECTION TYPE | SECOND END SOFT |
| CPYG | END INSIDE DIAMETER | BOTH ENDS INCHES NOMINAL 1.500 |
| CQQF | OPERATING PRESSURE | EXTERNAL POUNDS PER SQUARE INCH (PSI) NOMINAL 4.5 |
| CQQF | OPERATING PRESSURE | LOCATION NOT OTHERWISE SPECIFIED POUNDS PER SQUARE INCH (PSI) MAXIMUM 4.0 |
| CRXX | MEASURING METHOD AND LENGTH | INCHES NOMINAL OVERALL 7.500 |
| MATT | MATERIAL | FIRST PLY FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR |
| MATT | MATERIAL | REINFORCING CORD FIBERGLASS |
| MATT | MATERIAL | REINFORCING WIRE STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | REINFORCING CORD MIL SPEC SINGLE MATERIAL RESPONSE -IL-Y-1140 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| NAS1369 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NAS1375C08CA030 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M4-27-T-0286 | 12 | 2026-10-19 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720015591431&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720015591431&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720015591431
- 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/4720-01-559-1431/
JSON: https://nsnexplorer.com/api/nsn/4720-01-559-1431.json