# NSN 4240-01-396-9540: Facepiece, Breathing Equipment

NSN 4240-01-396-9540 (also written 4240013969540; NIIN 01-396-9540) is a facepiece, breathing equipment in Federal Supply Class 4240, Safety and Rescue Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4240-01-396-9540 (4240013969540)
- NIIN: 01-396-9540 (013969540)
- Item name: FACEPIECE,BREATHING EQUIPMENT
- 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 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| BSRF | FACEPIECE DESIGN | FULL |
| BSRL | FACEPIECE SIZE DESIGNATION | MEDIUM |
| FEAT | SPECIAL FEATURES | BLACK HYCAR WITH DUAL VALVE, MEETS NIOSH/MSHA APPROVAL FOR INTRINSICALLY SAFE APPARATUS |
| MATT | MATERIAL | FACEPIECE LENS GLASS |
| MATT | MATERIAL | FACEPIECE RUBBER SYNTHETIC |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 472666 | 55799 | MINE SAFETY APPLIANCES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-18 | [SPE8E626V2063](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240013969540) | FACEPIECE, BREATHING | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | $3,216.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4240013969540&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4240013969540
- 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/4240-01-396-9540/
JSON: https://nsnexplorer.com/api/nsn/4240-01-396-9540.json
