# NSN 4820-01-073-1800: Valve, Suction Vent

NSN 4820-01-073-1800 (also written 4820010731800; NIIN 01-073-1800) is a valve, suction vent in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-073-1800 (4820010731800)
- NIIN: 01-073-1800 (010731800)
- Item name: VALVE,SUCTION VENT
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | 3.745 IN. MIN 3.748 IN. MAX DIAMETER; 2.980 IN. H; OPERATING TEMPERATURE RANGE M65 DEG F TO 160 DEG F; FUEL MIL-T-5624 GRADE JP-4,JP-5 AND NATO EQUAL; OPERATING PRESSURE AT M3 PSIG AMBIENT AIR SHALL ENTER THE TANK AT 15.3 LB PER MINUTE; 10-32 NF-2B HELI-COIL SCREW LOCK INSERT CRES 1.5 IN. DIA MIN FULL THD 6 HOLES EQUALLY SPACED WITHIN .010 IN. INSTALLED .010 TO .030 IN. BELOW FLANGE SURFACE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 18-1100 | 96736 | AEROCONTROLEX GROUP, INC. DBA AERO FLUID PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 50299 | 72429 | MISSION SYSTEMS DAVENPORT INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6753 | 86090 | EATON CORPORATION DBA AIRFRAME | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 80-1864 | 99321 | PARKER HANNIFIN CORP DBA PNEUTRONICS DIV GAS TURBINE FUEL SYSTEMS DIVISION | [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=4820010731800&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010731800
- 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/4820-01-073-1800/
JSON: https://nsnexplorer.com/api/nsn/4820-01-073-1800.json