# NSN 1660-01-734-0236: Filler Valve, Aircraft Oxygen

NSN 1660-01-734-0236 (also written 1660017340236; NIIN 01-734-0236) is a filler valve, aircraft oxygen in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 1660-01-734-0236 (1660017340236)
- NIIN: 01-734-0236 (017340236)
- Item name: FILLER VALVE,AIRCRAFT 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 T: handled under qualified products list procedures. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACRE | FILTER TYPE | SINTERED BRONZE FILTER 100 MICRONS |
| AWTN | OPERATING TEMP RATING | FAHRENHEIT MAXIMUM 165.0 |
| BLKC | THREAD TYPE | SZ0.438-20UNJF-3A |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | FILLER VALVE, AIRCRAFT OXYGEN |
| FEAT | SPECIAL FEATURES | FITTING SHALL MATE TO AS5202-04 AND SAE J1926-1:7/16-20 AND SHALL BE SUPPLIED WITH AN O RING. |
| MEDA | MEDIA FOR WHICH DESIGNED | OXYGEN, LIQUID |
| TMQY | FURNISHED ITEMS AND QUANTITY | CAP-CHAIN 1 |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL-DTL-789H |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| M7891LM-4 | 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-DTL-7891H | 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/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660017340236&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660017340236
- 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/1660-01-734-0236/
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