# NSN 4720-01-506-0544: Hose Assembly, Air Duct

NSN 4720-01-506-0544 (also written 4720015060544; NIIN 01-506-0544) is a hose assembly, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4720-01-506-0544 (4720015060544)
- NIIN: 01-506-0544 (015060544)
- Item name: HOSE ASSEMBLY,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 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CBBL | FEATURES PROVIDED | OZONE RESISTANT |
| AWLS | CONNECTION TYPE | SECOND END SOFT |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AARX | INSIDE DIAMETER | FIRST END INCHES NOMINAL 0.875 |
| AGAV | END ITEM IDENTIFICATION | CARRIER PERSONELL M-113A1, M-113A2, AND M-113A3 NSN 2350-01-219-7577 |
| AGQM | END OVERALL LENGTH | SECOND END INCHES NOMINAL 0.875 |
| AHNC | CONNECTION STYLE | — |
| AMPY | HOSE WEIGHT | OUNCES PER LINEAR FOOT 5.000 |
| AWLS | CONNECTION TYPE | FIRST END COUPLING |
| MATT | MATERIAL | FIRST PLY COTTON |
| MATT | MATERIAL | LINER RUBBER SYNTHETIC |
| MATT | MATERIAL | REINFORCING WIRE STEEL |
| MATT | MATERIAL | SECOND PLY COTTON AND RUBBER |
| SFTT | SURFACE TREATMENT | FIRST END COUPLING ANODIZE OR CADMIUM OR PASSIVATE |
| STYL | STYLE DESIGNATOR | — |
| CXMG | COUPLING STYLE | — |
| CXMJ | COUPLING LOCKING DEVICE QUANTITY | 1 |
| FEAT | SPECIAL FEATURES | ASSEMBLY CONSISTS OF 1EA CLAMP P/N NAS397-20 NSN 4730-00-554-7208, 1EA COUPLING HALF, QUICK DISCONNECT P/N C5-19-1900-1 NSN 4730-01-138-7152, 1EA HOSE P/N C5-19-916-3 NSN 4720-00-279-0094; NOMINAL OVERALL LENGTH DOES NOT INCLUDE COUPLING HALF |
| MATT | MATERIAL | COVER PLASTIC |
| MATT | MATERIAL | FIRST END COUPLING ALUMINUM OR STEEL OR STEEL CORROSION RESISTING |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | HOSE ASSEMBLY |
| CRXX | MEASURING METHOD AND LENGTH | INCHES NOMINAL OVERALL 108.000 |
| CPYG | END INSIDE DIAMETER | SECOND END INCHES NOMINAL 0.875 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| C5-19-1893 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C5-19-1893-40 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE7M426P4794](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720015060544) | HOSE ASSEMBLY, AIR D | HERBERT COOPER CO INC | $22,822.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720015060544&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720015060544
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4720-01-506-0544/
JSON: https://nsnexplorer.com/api/nsn/4720-01-506-0544.json