The Transmitter,temperature,electric, cataloged under National Stock Number 6685-00-150-6540, 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 Stewart-Warner Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6685-00-150-6540 |
| Primary Part Number | 333B |
| Item Name | Transmitter,temperature,electric |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Stewart-Warner Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREAD |
| Distance Across Wrenching Surface Flats | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.380 INCHES NOMINAL IN |
| Style Designator | TRANSMITTER, 24V DC V |
| Mounting Facility Screw Thread Series Designator | UNF |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Unit Type | PROTECTIVE TUBE |
| Operating Temp Range | -17.8 TO 237.8 CELSIUS DEGC |
| Accommodated Contact Type and Quantity | 1 STUD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 6685-00-150-6540 is a Transmitter,temperature,electric, manufactured by Stewart-Warner Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-150-6540 has 2 manufacturer part numbers on file: 333B (Stewart-Warner Corporation), S1372-1 (Textron Aviation Inc).
1 possible match (shared part number, not a government interchangeability claim): 3415-01-167-7615. Verify interchangeability with system specifications before substitution.
Key specifications for 333B: Mounting Facility Type and Quantity: 1 THREAD; Distance Across Wrenching Surface Flats: 0.500 INCHES NOMINAL IN; Thread Length: 0.380 INCHES NOMINAL IN; Style Designator: TRANSMITTER, 24V DC V. 9 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.