# NSN 4240-01-248-9139: Respirator, Air Filtering

NSN 4240-01-248-9139 (also written 4240012489139; NIIN 01-248-9139) is a respirator, air filtering in Federal Supply Class 4240, Safety and Rescue Equipment. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4240-01-248-9139 (4240012489139)
- NIIN: 01-248-9139 (012489139)
- Item name: RESPIRATOR,AIR FILTERING
- 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 |
| --- | --- | --- |
| ABFF | FURNISHED ITEMS | HEAD HARNESS AND EXHAUST VALVE |
| ALTR | FILTER TYPE | CARTRIDGE AND FILTER PAD |
| APCS | ADJUSTABILITY | ADJUSTABLE |
| BSSG | FILTER REPLACEABILITY | REPLACEABLE |
| BTLQ | MASK FILTER QUANTITY | 4 |
| CBJL | MATERIAL TYPE | ELASTIC |
| CGXQ | MASK TYPE | FULL FACEPIECE |
| CGXR | VISUAL PROVISION TYPE | LENS |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | SOLE SOURCE REQUIRED BY STATUTE 6.302; SMALL; BLACK |
| MATT | MATERIAL | MASK RUBBER |
| MATT | MATERIAL | VISUAL PROVISION PLASTIC POLYCARBONATE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 471298 | 55799 | MINE SAFETY APPLIANCES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 471300 | 55799 | MINE SAFETY APPLIANCES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-15 | $490.62 | 29 | COORDINATED DEFENSE SUPPLY SYSTEMS, INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240012489139) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-15 | [SPE8E627V0133](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240012489139) | RESPIRATOR, AIR FILTERING | COORDINATED DEFENSE SUPPLY SYSTEMS, INC. | $14,227.98 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240012489139&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240012489139
- 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/4240-01-248-9139/
JSON: https://nsnexplorer.com/api/nsn/4240-01-248-9139.json