# NSN 4240-01-249-2572: Filter, Respirator, Air Filtering

NSN 4240-01-249-2572 (also written 4240012492572; NIIN 01-249-2572) is a filter, respirator, air filtering in Federal Supply Class 4240, Safety and Rescue Equipment. 5 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4240-01-249-2572 (4240012492572)
- NIIN: 01-249-2572 (012492572)
- Item name: FILTER,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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AJCB | HAZARD PROTECTION FEATURE | TOXIC DUST |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | USED ON NORTH SERIES 7700,7500,75BP AND 7600 RESPIRATORS; SOLE SOURCE REQUIRED BY STATUTE 6.302 |
| ZZZV | FSC APPLICATION DATA | RESPIRATOR,AIR FILTERING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 7500-8 | 79250 | SIEBE NORTH INC NORTH SAFETY EQUIPMENT DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7580P100 | 0VTP4 | NORTH SAFETY PRODUCTS L.L.C. DBA NORTH SAFETY PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7580P100 | 79250 | SIEBE NORTH INC NORTH SAFETY EQUIPMENT DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7580P100-72 | 0VTP4 | NORTH SAFETY PRODUCTS L.L.C. DBA NORTH SAFETY PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N7500-8 | 79250 | SIEBE NORTH INC NORTH SAFETY EQUIPMENT DIV | [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=4240012492572&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240012492572
- 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/4240-01-249-2572/
JSON: https://nsnexplorer.com/api/nsn/4240-01-249-2572.json