# NSN 4240-01-199-0077: Respirator, Air Filtering

NSN 4240-01-199-0077 (also written 4240011990077; NIIN 01-199-0077) is a respirator, air filtering in Federal Supply Class 4240, Safety and Rescue Equipment. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 4240-01-199-0077 (4240011990077)
- NIIN: 01-199-0077 (011990077)
- 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 |
| APCS | ADJUSTABILITY | ADJUSTABLE |
| BSSG | FILTER REPLACEABILITY | REPLACEABLE |
| BTLQ | MASK FILTER QUANTITY | 2 |
| CBJL | MATERIAL TYPE | NONELASTIC |
| CGXQ | MASK TYPE | FULL FACEPIECE |
| CGXR | VISUAL PROVISION TYPE | LENS |
| CQRH | APPROVAL DESIGNATOR | NATIONAL INSTITUTE OF SAFETY AND HEALTH TC-21C-155 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | SIZE MEDIUM; WHEN COMBINED WITH APPROPRIATE CARTRIDGES OR FILTERS MEETS NATIONAL INSTITUTE OF SAFETY AND HEALTH TC APPROVAL NOS. 21C-188,187,155,337,23C-144,145,146,147,151,155,150,153,154,152; SOLE SOURCE REQUIRED BY STATUTE 6.302 |
| MATT | MATERIAL | VISUAL PROVISION PLASTIC POLYCARBONATE |
| MATT | MATERIAL | MASK RUBBER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 471286 | 55799 | MINE SAFETY APPLIANCES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240011990077&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240011990077
- 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/4240-01-199-0077/
JSON: https://nsnexplorer.com/api/nsn/4240-01-199-0077.json