# NSN 6685-01-503-1684: Transmitter, Pressure

NSN 6685-01-503-1684 (also written 6685015031684; NIIN 01-503-1684) is a transmitter, pressure in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 6685-01-503-1684 (6685015031684)
- NIIN: 01-503-1684 (015031684)
- Item name: TRANSMITTER,PRESSURE
- Federal Supply Class: [FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments](https://nsnexplorer.com/fsc/6685/)
- 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 |
| --- | --- | --- |
| ACDC | CURRENT TYPE | DC |
| ACUP | MOUNTING DEVICE QUANTITY | 2 |
| AMSE | VOLTAGE RATING | INPUT VOLTS NOMINAL 45.0 |
| BHMW | MEASUREMENT RANGE | INCHES OF WATER 0.0 TO 200.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| LD301-M25M-VU10-010 | 0W4H7 | SMAR INTERNATIONAL CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LD301-M25M-VU10-010/I1/ZN | 034H5 | STANDARD CALIBRATIONS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LD301-M25M-VU10-010/I1/ZN | 0W4H7 | SMAR INTERNATIONAL CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LD301-M25M-VU10-010ZN | 034H5 | STANDARD CALIBRATIONS INC | [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=6685015031684&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015031684
- 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/6685-01-503-1684/
JSON: https://nsnexplorer.com/api/nsn/6685-01-503-1684.json