# NSN 4240-00-770-0268: Hose Assembly, Air Duct, Air Breat

NSN 4240-00-770-0268 (also written 4240007700268; NIIN 00-770-0268) is a hose assembly, air duct, air breat in Federal Supply Class 4240, Safety and Rescue Equipment. 4 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4240-00-770-0268 (4240007700268)
- NIIN: 00-770-0268 (007700268)
- Item name: HOSE ASSEMBLY,AIR DUCT,AIR BREAT
- Federal Supply Class: [FSC 4240 Safety and Rescue Equipment](https://nsnexplorer.com/fsc/4240/)
- Federal Supply Group: [FSG 42](https://nsnexplorer.com/group/42/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AWLS | CONNECTION TYPE | FIRST END COUPLING |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNF |
| THSD | THREAD SERIES DESIGNATOR | SECOND END UNF |
| SFTT | SURFACE TREATMENT | FIRST END COUPLING ZINC |
| SFTT | SURFACE TREATMENT | SECOND END COUPLING ZINC |
| MATT | MATERIAL | SINGLE PLY COPPER ALLOY AND STEEL CORROSION RESISTING |
| FEAT | SPECIAL FEATURES | SCHRADER FITTINGS P/N 55597 FEMALE CONNECTION, P/N 55516 MALE CONNECTION; OZONE RESISTANCE:NOT OZONE RESISTANT; END SIMILARITY:NOT IDENTICAL; HOSE STYLE:SLEEVE SECTION, STYLE NO. 5 FROM OLD FIIG A22900; HOSE MATERIAL:RUBBER; COMMUNICATION CABLE AND RESTRAINT CORD:NOT INCLUDED |
| MATT | MATERIAL | FIRST END COUPLING COPPER ALLOY AND STEEL CORROSION RESISTING |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.750 |
| CRXX | MEASURING METHOD AND LENGTH | INCHES NOMINAL OVERALL 300.000 |
| CXMG | COUPLING STYLE | — |
| AWLS | CONNECTION TYPE | SECOND END COUPLING |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.750 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AARX | INSIDE DIAMETER | FIRST END INCHES NOMINAL 0.375 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 73765-54X3PCF23 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 73765-54X3RAPCF23 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 85571 | 55799 | MINE SAFETY APPLIANCES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D85571 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE8E9-27-T-0297 | 41 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240007700268&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240007700268&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240007700268
- 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/4240-00-770-0268/
JSON: https://nsnexplorer.com/api/nsn/4240-00-770-0268.json