# NSN 1660-00-627-9139: Valve Assy, Vent And

NSN 1660-00-627-9139 (also written 1660006279139; NIIN 00-627-9139) is a valve assy, vent and in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 10 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 1660-00-627-9139 (1660006279139)
- NIIN: 00-627-9139 (006279139)
- Item name: VALVE ASSY,VENT AND
- 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 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| SUPP | SUPPLEMENTARY FEATURES | MAX WEIGHT = .85LBS |
| SPCL | SPECIAL TEST FEATURES | HIGH TEMPERATURE OPERATION = 260 F, LOW TEMPERATURE OPERATION = - 65 F |
| FEAT | SPECIAL FEATURES | OPERATING TORQUE REQUIRED TO SET THE VALVE IN EITHER POSITION SHALL NOT EXCEED 60 POUNDS - INCHES |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 6.251 |
| MARK | SPECIAL MARKINGS | VALVE, OXYGEN SPEC MIL-V-057 OMFRS P/N 20C-0023-4, ESSEX CRYOG |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 2.062 |
| CTJS | UNPACKAGED UNIT WEIGHT | POUNDS MAXIMUM 0.85 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE, OXYGEN, PRESSURE BUILD-UP & VENT PER MIL-V-8057 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 1.936 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 20C-0023-1 | 19062 | ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20C-0023-4 | 19062 | ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 21037 | 03990 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 21037 | 04577 | MISSION SYSTEMS ORCHARD PARK INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 654160-5 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [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/) |
| FR2B2 | 19315 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FR2B2 | 99251 | MISSION SYSTEMS DAVENPORT INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FR2B3 | 99251 | MISSION SYSTEMS DAVENPORT INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-V-8057 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS 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 |
| --- | --- | --- | --- | --- |
| 2026-08-18 | [SPE4A222D0009/SPE4AX26F378G](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660006279139) | VALVE ASSY, VENT AND | KIT PACK CO., INC. | $69,892.27 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660006279139&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660006279139
- 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/1660-00-627-9139/
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