# NSN 4240-01-675-5279: Blower Unit, Air Filtering Respir

NSN 4240-01-675-5279 (also written 4240016755279; NIIN 01-675-5279) is a blower unit, air filtering respir in Federal Supply Class 4240, Safety and Rescue Equipment. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4240-01-675-5279 (4240016755279)
- NIIN: 01-675-5279 (016755279)
- Item name: BLOWER UNIT,AIR FILTERING RESPIR
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5-1-4308 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 603811 | 1LEW5 | AVON PROTECTION SYSTEMS INCORPORATED DBA AVON PROTECTION SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-21 | $2,659.82 | 89 | SAFEWARE INC DBA SAFEWARE EMERGENCY MANAGEMENT | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240016755279) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-21 | [SPE8E627P0096](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240016755279) | BLOWER UNIT, AIR FILTERING RESPIRATOR | SAFEWARE INC DBA SAFEWARE EMERGENCY MANAGEMENT | $236,723.98 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240016755279&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240016755279
- 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/4240-01-675-5279/
JSON: https://nsnexplorer.com/api/nsn/4240-01-675-5279.json