The Transmitter,temperature,electric, cataloged under National Stock Number 6685-01-378-4883, 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 Rdf Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-378-4883 |
| Primary Part Number | 21700-4 |
| Item Name | Transmitter,temperature,electric |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Rdf Corporation |
| Status | ACTIVE |
| Operating Temp Range | -40.0 TO 1000.0 FAHRENHEIT DEGF |
| 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 |
|---|---|
| 21700-4 PRIMARY | Rdf Corporation (USA) |
| 640024-4 | Rdf Corporation (USA) |
| 1095-0000-469 | Bronswerk Marine Inc (CAN) |
| 8505101 ITEMS 901 TO 907 | Department of National Defence, Director General Maritime Equipment Program Management (CAN) |
NSN 6685-01-378-4883 is a Transmitter,temperature,electric, manufactured by Rdf Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-378-4883 has 4 manufacturer part numbers on file: 21700-4 (Rdf Corporation), 640024-4 (Rdf Corporation), 1095-0000-469 (Bronswerk Marine Inc), 8505101 ITEMS 901 TO 907 (Department of National Defence, Director General Maritime Equipment Program Management).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-668-9232. Verify interchangeability with system specifications before substitution.
Key specifications for 21700-4: Operating Temp Range: -40.0 TO 1000.0 FAHRENHEIT DEGF. 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.