The Transmitter,pressure, cataloged under National Stock Number 6685-01-417-3543, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-417-3543 |
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Measurement Range | +0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| LD0866-2 | 5/1 Secondary reference Viatran Corporation Div Viatran Corp |
| 5705AP6AX860 DH 0/100 | 3/9 Design control — primary reference Viatran Corporation Div Viatran Corp |
| LD0866 | 5/1 Secondary reference Viatran Corporation Div Viatran Corp |
| 401-5989769 ITEM 19 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 6685-01-417-3543 is a Transmitter,pressure, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6685-01-417-3544, 6685-01-417-3549. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-01-417-3543: End Item Identification: ELECTRIC POWER GENERATION SYSTEM; Measurement Range: +0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS. 1 specification is 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.