# NSN 1660-00-927-1996: Regulator, Oxygen, Demand

NSN 1660-00-927-1996 (also written 1660009271996; NIIN 00-927-1996) is a regulator, oxygen, demand in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 11 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 1660-00-927-1996 (1660009271996)
- NIIN: 00-927-1996 (009271996)
- Item name: REGULATOR,OXYGEN,DEMAND
- 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 T: handled under qualified products list procedures. (observed 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABFF | FURNISHED ITEMS | PRESSURE GAUGE |
| ABFY | OVERALL DEPTH | INCHES NOMINAL 3.812 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 5.875 |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 5.250 |
| AMQY | INSTALLATION DESIGN | PORTABLE |
| AMXL | EMERGENCY OXYGEN CONTROL TYPE | VALVE |
| AMXN | MARKING FINISH | LUMINESCENT |
| FEAT | SPECIAL FEATURES | DOES NOT INCLUDE CLOTHING CLIP, IF CLIP NEEDED, ORDER NSN 1660-00-605-7844; OBSOLETE VERSIONS MAY CONTAIN CADMIUM SURFACE TREATMENT, QQ-P-416. ACTION ID 45649495 |
| ZZZV | FSC APPLICATION DATA | OXYGEN BREATHING SYSTEM,AIRCRAFT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1660PL1060654 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1660PL1943306 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1660PL2117578 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3260007-0103 | 99251 | MISSION SYSTEMS DAVENPORT INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3260007-0201 | 99251 | MISSION SYSTEMS DAVENPORT INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8148650 | 98748 | UNITED STATES AIR FORCE DBA TINKER AIR FORCE BASE DIV DEPARTMENT OF THE AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9010A5 | 53655 | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9010A7 | 53655 | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A21 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-PRF-7605F | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MILR7605D | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-02 | [SPE4A726D0417/SPE4A727F1049](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009271996) | REGULATOR, OXYGEN, DEMAND | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | $6,700,000.00 |
| 2026-09-14 | [SPE4A726D0417/SPE4A726F037K](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009271996) | REGULATOR, OXYGEN, DEMAND | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | $4,080,300.00 |
| 2026-09-11 | [SPE4A719D0337/SPE4A723F4329](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009271996) | REGULATOR, OXYGEN, DE | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | $1,446,568.20 |
| 2026-09-11 | [SPE4A719D0337/SPE4A723F4329](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009271996) | REGULATOR, OXYGEN, DE | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | $1,446,568.20 |
| 2026-08-27 | [SPE4A726D0417/SPE4A726F019A](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009271996) | REGULATOR, OXYGEN, DEMAND | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | $4,076,950.00 |
| 2026-08-27 | [SPE4A726D0417/SPE4A726F018Z](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009271996) | REGULATOR, OXYGEN, DE | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | $6,666,500.00 |
| 2026-08-24 | [SPE4A726D0417](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009271996) | REGULATOR, OXYGEN, DEMAND | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | $37,583,889.02 |
| 2026-08-18 | [SPE4A726PF228](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009271996) | REGULATOR, OXYGEN, DE | AVOX SYSTEMS INC DBA AVOX SYSTEMS INC | $4,227,700.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660009271996&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009271996
- 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.

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