# NSN 4720-00-991-9771: Hose Assembly, Air Breathing

NSN 4720-00-991-9771 (also written 4720009919771; NIIN 00-991-9771) is a hose assembly, air breathing in Federal Supply Class 4720, Hose and Flexible Tubing. 10 manufacturer part numbers from 7 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4720-00-991-9771 (4720009919771)
- NIIN: 00-991-9771 (009919771)
- Item name: HOSE ASSEMBLY,AIR BREATHING
- 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 T: handled under qualified products list procedures. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AARX | INSIDE DIAMETER | FIRST END INCHES NOMINAL 0.250 |
| AAGT | WALL THICKNESS | INCHES MINIMUM 0.094 AND INCHES MAXIMUM 0.171 |
| FEAT | SPECIAL FEATURES | CONNECTION TYPE: GROUND JOINT EXTERNALLY THREADED TAILPIECE W/ UNION NUT FIRST END; MATERIAL: PLASTIC TETRAFLUOROETHYLENE SINGLE PLY STEEL CORROSION RESISTING AND ALUMINUM 1ST END COUPLING STEEL REINFORCING WIRE |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY OVERALL LENGTH |
| AWLS | CONNECTION TYPE | FIRST END THREADED |
| CQQF | OPERATING PRESSURE | POUNDS PER SQUARE INCH (PSI) MAXIMUM 500.0 |
| MATT | MATERIAL | REINFORCING WIRE STEEL |
| STYL | STYLE DESIGNATOR | — |
| CRXX | MEASURING METHOD AND LENGTH | INCHES NOMINAL OVERALL 15.000 |
| MATT | MATERIAL | SINGLE PLY PLASTIC |
| MATT | MATERIAL | FIRST END COUPLING STEEL CORROSION RESISTING AND ALUMINUM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 124392-5CR-0150 | 98441 | PARKER HANNIFIN CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 124392-5CR-15 | 98441 | PARKER HANNIFIN CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 13000005-15 | 78570 | SMITHS TUBULAR SYSTEMS-LACONIA, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8148650 | 98748 | UNITED STATES AIR FORCE DBA TINKER AIR FORCE BASE DIV DEPARTMENT OF THE AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AE1010010F-15 | 00624 | EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M26626-5-15 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-H-26626 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-PRF-26626 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS24548-5-15 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TF169-5-15 | 70510 | HYSPAN PRECISION PRODUCTS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-08 | [SPE7M126V111W](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720009919771) | HOSE ASSEMBLY, AIR B | MID-STATE AEROSPACE INC DBA MID-STATE AEROSPACE INC | $1,897.68 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720009919771&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720009919771
- 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.

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