The Thermocouple, cataloged under National Stock Number 6685-01-127-2230, 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 Rolls-Royce Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-127-2230 |
| Primary Part Number | 23001543 |
| Item Name | Thermocouple |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| FSC Application Data | USE ON GENERATOR SET,GAS TURBINE,NSN 6115-01-113-1093 |
| General Characteristics Item Description | MATERIAL STEEL AISI 321 OR 304; O/A LG 29.160 IN.;O/A OF SHEATH OD 0.260 IN. BY 0.450 IN. LG;TWO (2) CONDUCTORS:ONE (1) 15A TYPE K POSITIVE AND ONE (1) 15A TYPE K NEGATIVE,INSULATION MGO A |
| 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 |
|---|---|
| 23001543 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23001543 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 6685-01-127-2230 is a Thermocouple, manufactured by Rolls-Royce Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-127-2230 has 1 manufacturer part number on file: 23001543 (Rolls-Royce Corporation).
Key specifications for 23001543: FSC Application Data: USE ON GENERATOR SET,GAS TURBINE,NSN 6115-01-113-1093; General Characteristics Item Description: MATERIAL STEEL AISI 321 OR 304; O/A LG 29.160 IN.;O/A OF SHEATH OD 0.260 IN. BY 0.450 IN. LG;TWO (2) CONDUCTORS:ONE (1) 15A TYPE K POSITIVE AND ONE (1) 15A TYPE K NEGATIVE,INSULATION MGO A. 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.