# NSN 4240-01-248-8166: Hose, Air Duct, Air Breathing

NSN 4240-01-248-8166 (also written 4240012488166; NIIN 01-248-8166) is a hose, air duct, air breathing in Federal Supply Class 4240, Safety and Rescue Equipment. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4240-01-248-8166 (4240012488166)
- NIIN: 01-248-8166 (012488166)
- Item name: HOSE,AIR DUCT,AIR BREATHING
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AARX | INSIDE DIAMETER | FIRST END INCHES NOMINAL 0.500 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CRXX | MEASURING METHOD AND LENGTH | INCHES NOMINAL OVERALL 300.000 |
| FEAT | SPECIAL FEATURES | SOLE SOURCE REQUIRED BY STATUTE 6.302; FOR USE WITH NIOSH/MSHA APPROVED SYSTEMS |
| ZZZV | FSC APPLICATION DATA | RESPIRATOR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 7100097709 | 76381 | 3M COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W-3020-25 | 50378 | 3M COMPANY DIV OH&ESD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W-3020-25 | 76381 | 3M COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-22 | $198.5277 | 13 | AIRCRAFT & COMMERCIAL ENTERPRISES, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240012488166) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE8E526V1389](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240012488166) | HOSE, AIR DUCT, AIR BREATHING | AIRCRAFT & COMMERCIAL ENTERPRISES, INC | $2,580.86 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240012488166&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240012488166
- 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/4240-01-248-8166/
JSON: https://nsnexplorer.com/api/nsn/4240-01-248-8166.json