# NSN 6680-01-558-3340: Switch, Liquid Level

NSN 6680-01-558-3340 (also written 6680015583340; NIIN 01-558-3340) is a switch, liquid level in Federal Supply Class 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 6680-01-558-3340 (6680015583340)
- NIIN: 01-558-3340 (015583340)
- Item name: SWITCH,LIQUID LEVEL
- Federal Supply Class: [FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments](https://nsnexplorer.com/fsc/6680/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACYN | AC VOLTAGE RATING | FIRST OPERATING POWER RQMT VOLTS MINIMUM 120.0 AND VOLTS MAXIMUM 230.0 |
| ACZB | FREQUENCY RATING | FIRST OPERATING POWER RQMT HERTZ MINIMUM 50.0 AND HERTZ MAXIMUM 60.0 |
| AFLW | ACTUATION METHOD | BUOYANCY |
| AWAE | FLOAT QUANTITY | 1 |
| AWTN | OPERATING TEMP RATING | FAHRENHEIT MAXIMUM 140.0 |
| BJKC | MAXIMUM CURRENT RATING | AMPERES NOMINAL LOAD 5.0 |
| FAAZ | PHASE | FIRST OPERATING POWER RQMT SINGLE |
| FEAT | SPECIAL FEATURES | 18 GA 2 CONDUCTOR CABLE, MAX DEPTH 30 FT, CONTAINS SPST MERCURY TO METAL CONTACTS; HERMETICALLY SEALED IN STEEL CAPSULE AND EPOXY SEALED FLOAT HOUSING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 20MWENO | 0U9J4 | OTP HOLDING LLC DBA TP PUMP DIV TP PUMP | [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=6680015583340&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6680015583340
- 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.

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