# NSN 4240-99-290-5424: Respirator, Air Filt

NSN 4240-99-290-5424 (also written 4240992905424; NIIN 99-290-5424) is a respirator, air filt in Federal Supply Class 4240, Safety and Rescue Equipment. It was last purchased in Oct 2026.

## Identification

- NSN: 4240-99-290-5424 (4240992905424)
- NIIN: 99-290-5424 (992905424)
- Item name: RESPIRATOR, AIR FILT
- Federal Supply Class: [FSC 4240 Safety and Rescue Equipment](https://nsnexplorer.com/fsc/4240/)
- Federal Supply Group: [FSG 42](https://nsnexplorer.com/group/42/)

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-05 | [SPE8EG22D0001/SPE8E627F0059](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240992905424) | RESPIRATOR, AIR FILTERING | CAM LOCK LIMITED | $212,170.50 |
| 2026-10-05 | [SPE8EG22D0001/SPE8E627F0058](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240992905424) | RESPIRATOR, AIR FILTERING | CAM LOCK LIMITED | $212,170.50 |
| 2026-10-05 | [SPE8EG22D0001/SPE8E627F0056](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240992905424) | RESPIRATOR, AIR FILTERING | CAM LOCK LIMITED | $200,383.25 |
| 2026-09-24 | [SPE8EG22D0001/SPE8E626F1571](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240992905424) | RESPIRATOR, AIR FILT | CAM LOCK LIMITED | $447,915.50 |
| 2026-09-23 | [SPE8EG22D0001/SPE8E626F1576](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240992905424) | RESPIRATOR, AIR FILT | CAM LOCK LIMITED | $624,724.25 |
| 2026-09-23 | [SPE8EG22D0001/SPE8E626F1579](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240992905424) | RESPIRATOR, AIR FILTERING | CAM LOCK LIMITED | $447,915.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240992905424&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240992905424
- 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/4240-99-290-5424/
JSON: https://nsnexplorer.com/api/nsn/4240-99-290-5424.json