# NSN 4720-01-521-9459: Hose, Air Duct

NSN 4720-01-521-9459 (also written 4720015219459; NIIN 01-521-9459) is a hose, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 5 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4720-01-521-9459 (4720015219459)
- NIIN: 01-521-9459 (015219459)
- 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 2026-11-08)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAGT | WALL THICKNESS | INCHES MAXIMUM 0.400 |
| AARX | INSIDE DIAMETER | BOTH ENDS INCHES NOMINAL 1.500 |
| ABJH | TEMP RATING | FAHRENHEIT -65.0 AND FAHRENHEIT 250.0 |
| ABKV | OUTSIDE DIAMETER | BOTH ENDS INCHES NOMINAL 1.900 |
| ACKH | MINIMUM INSIDE BENDING RADIUS | INCHES 1.500 |
| AGQM | END OVERALL LENGTH | BOTH ENDS INCHES MINIMUM 1.130 AND INCHES MAXIMUM 1.370 |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | BOTH ENDS SOFT |
| CBBL | FEATURES PROVIDED | FLAME RESISTANT |
| CPYG | END INSIDE DIAMETER | BOTH ENDS INCHES NOMINAL 1.500 |
| CRXX | MEASURING METHOD AND LENGTH | INCHES NOMINAL OVERALL 79.000 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | HOSE, AIR DUCT, FLEXIBLE, HELICALAGAVGC-130J HERCULES AIRCRAFT |
| FEAT | SPECIAL FEATURES | HOSE REINFORCEMENT NON-METALLIC WIRE COVERED WITH TWISTED FIBERGLASS CORD; FIBERGLASS CORD OPTIONAL FOR HOSES WITH INSIDE DIAMETER 4.000 INCHES OR LESS; SELF EXTINGUISHING |
| MATT | MATERIAL | ALL PLIES FIBERGLASS AND RUBBER SILICONE CLASS Q |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AS1544-06A0790 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1544-06A0790 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1544-06A0790 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GHN10354-9 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [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 |
| --- | --- | --- | --- |
| SPE7M4-26-T-341E | 2 | 2026-11-12 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720015219459&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720015219459&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720015219459
- 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/4720-01-521-9459/
JSON: https://nsnexplorer.com/api/nsn/4720-01-521-9459.json