# NSN 1660-01-538-9925: Mask, Oxygen

NSN 1660-01-538-9925 (also written 1660015389925; NIIN 01-538-9925) is a mask, oxygen in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 1660-01-538-9925 (1660015389925)
- NIIN: 01-538-9925 (015389925)
- Item name: MASK,OXYGEN
- Federal Supply Class: [FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment](https://nsnexplorer.com/fsc/1660/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- 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 |
| --- | --- | --- |
| ABFF | FURNISHED ITEMS | MICROPHONE AND INTAKE TUBE CORRUGATED FEATURE |
| AGAV | END ITEM IDENTIFICATION | MBU-20A/P |
| BSRX | OXYGEN SYSTEM TYPE | PRESSURE DEMAND |
| FEAT | SPECIAL FEATURES | SIZE EXTRA SMALL NARROW; DRAWING NAME- MASK ASSEMBLY, OXYGEN, MBU-20A/P; (DIFF LENGTH HOSE) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| G010-1100-65 | 60240 | GENTEX CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| G010-1100-85 | 60240 | GENTEX CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-05 | [SPE4AX17D9402/SPE4A727F1169](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660015389925) | MASK, OXYGEN | GENTEX CORP | $47,811.48 |
| 2026-10-20 | [SPE4AX17D9402/SPE4A727F0641](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660015389925) | MASK, OXYGEN | GENTEX CORP | $47,811.48 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660015389925&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660015389925
- 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/1660-01-538-9925/
JSON: https://nsnexplorer.com/api/nsn/1660-01-538-9925.json