The Transmitter,temperature,electric, cataloged under National Stock Number 6685-01-552-1141, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-552-1141 |
| Primary Part Number | 21D-11-H-11.50-B3-B-B-4.00 |
| Item Name | Transmitter,temperature,electric |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Rdf Corporation |
| Status | ACTIVE |
| Unit Type | SHIELDED |
| Operating Temp Range | -196.0 TO 480.0 CELSIUS DEGC |
| Material | STEEL CORROSION RESISTING PROTECTIVE TUBE |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BKB1931021 | L3harris Technologies, Inc. Div Pspc (USA) |
| 21D-11-H-11.50-B3-B-B-4.00 PRIMARY | Rdf Corporation (USA) |
NSN 6685-01-552-1141 is a Transmitter,temperature,electric, manufactured by Rdf Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-552-1141 has 2 manufacturer part numbers on file: BKB1931021 (L3harris Technologies, Inc. Div Pspc), 21D-11-H-11.50-B3-B-B-4.00 (Rdf Corporation).
Key specifications for 21D-11-H-11.50-B3-B-B-4.00: Unit Type: SHIELDED; Special Features: RESISTANCE 100OHMS @ 0 DEGREES CELSIUS;TIP LENGTH:11.50IN IN; Operating Temp Range: -196.0 TO 480.0 CELSIUS DEGC; End Item Identification: MISC AUX SYS GROUP FFG 0057;MISC PARTS PROPULSION PLANT CG 0062;MAIN ENGINE LO CONTROL 5-250-0-3 NO 3 MN ENG RM. 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.
NSN 6685-01-552-1141 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.