# NSN 4240-00-143-4391: Cartridge, Respirator, Air Filteri

NSN 4240-00-143-4391 (also written 4240001434391; NIIN 00-143-4391) is a cartridge, respirator, air filteri in Federal Supply Class 4240, Safety and Rescue Equipment. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4240-00-143-4391 (4240001434391)
- NIIN: 00-143-4391 (001434391)
- Item name: CARTRIDGE,RESPIRATOR,AIR FILTERI
- 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 |
| --- | --- | --- |
| AJCB | HAZARD PROTECTION FEATURE | FILTER PROTECTIONS,ACID GASES AND ORGANIC VAPORS |
| FEAT | SPECIAL FEATURES | INTERNAL THREADED CONNECTIONS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 7500-3 | 79250 | SIEBE NORTH INC NORTH SAFETY EQUIPMENT DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N7500-3A-72 | 0VTP4 | NORTH SAFETY PRODUCTS L.L.C. DBA NORTH SAFETY PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N7500-3L | 0VTP4 | NORTH SAFETY PRODUCTS L.L.C. DBA NORTH SAFETY PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-31 | $11.85 | 12 | PACIFIC STAR CORPORATION | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240001434391) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-31 | [SPE8E626V2128](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240001434391) | CARTRIDGE, RESPIRATOR, AIR FILTERING | PACIFIC STAR CORPORATION | $142.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240001434391&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240001434391
- 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/4240-00-143-4391/
JSON: https://nsnexplorer.com/api/nsn/4240-00-143-4391.json