The Transmitter,temperature,electric, cataloged under National Stock Number 6685-01-353-0658, 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 Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 2 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 | 6685-01-353-0658 |
| Primary Part Number | 33D558ORN |
| Item Name | Transmitter,temperature,electric |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| Operating Temp Range | +100.0 TO 475.0 FAHRENHEIT DEGF |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 33D558ORN PRIMARY | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| M25 1040 KC M55A | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
NSN 6685-01-353-0658 is a Transmitter,temperature,electric, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-353-0658 has 2 manufacturer part numbers on file: 33D558ORN (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), M25 1040 KC M55A (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
Key specifications for 33D558ORN: Special Features: PLAIN BULB,0.375 IN. DIA. X 4.000 IN. L. IN; Operating Temp Range: +100.0 TO 475.0 FAHRENHEIT DEGF; Material: STEEL COMP 316 OVERALL. 2 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.