The Transmitter,pressure, cataloged under National Stock Number 6685-01-503-1684, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Standard Calibrations Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-503-1684 |
| Primary Part Number | LD301-M25M-VU10-010/I1/ZN |
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Standard Calibrations Inc |
| Status | ACTIVE |
| Current Type | DC |
| Mounting Device Quantity | 2 |
| Voltage Rating | 45.0 VOLTS NOMINAL INPUT |
| Measurement Range | +0.0 TO 200.0 INCHES OF WATER IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LD301-M25M-VU10-010/I1/ZN | Smar International Corporation (USA) |
| LD301-M25M-VU10-010/I1/ZN PRIMARY | Standard Calibrations Inc (USA) |
| Reference | Meaning |
|---|---|
| LD301-M25M-VU10-010ZN | 5/9 Secondary reference Standard Calibrations Inc |
| LD301-M25M-VU10-010 | 5/1 Secondary reference Smar International Corporation |
NSN 6685-01-503-1684 is a Transmitter,pressure, manufactured by Standard Calibrations Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-503-1684 has 2 manufacturer part numbers on file: LD301-M25M-VU10-010/I1/ZN (Smar International Corporation), LD301-M25M-VU10-010/I1/ZN (Standard Calibrations Inc).
Key specifications for LD301-M25M-VU10-010/I1/ZN: Current Type: DC; Mounting Device Quantity: 2; Voltage Rating: 45.0 VOLTS NOMINAL INPUT; Measurement Range: +0.0 TO 200.0 INCHES OF WATER IN. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.