# NSN 4240-01-084-0921: Cartridge, Filter, Air Breathing P

NSN 4240-01-084-0921 (also written 4240010840921; NIIN 01-084-0921) is a cartridge, filter, air breathing p in Federal Supply Class 4240, Safety and Rescue Equipment. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4240-01-084-0921 (4240010840921)
- NIIN: 01-084-0921 (010840921)
- Item name: CARTRIDGE,FILTER,AIR BREATHING P
- 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 |
| --- | --- | --- |
| CRTL | CRITICALITY CODE JUSTIFICATION | TEXT |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | BOROSILICATE GLASS MICROFIBERS; CYLINDER WITH 1/8 IN. THK WALLS; DISPOSABLE CARTRIDGE FILTERS; RETENTION EFFICIENCIES - FROM 90% 99.9999% OF 0.6 MICRON PARTICLES; SOLE SOURCE REQUIRED BY STATUTE 6.302 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AC393 | 58501 | RHINE AIR, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CF8080 | 58501 | RHINE AIR, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE8E9-27-T-0318 | 102 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240010840921&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240010840921&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240010840921
- 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/4240-01-084-0921/
JSON: https://nsnexplorer.com/api/nsn/4240-01-084-0921.json