The Thermocouple,heating Element, cataloged under National Stock Number 6685-01-482-5964, 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 Rosemount Aerospace Inc Dba Rosemount Aerospace Inc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Thermocouple,heating Element |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Drs Naval Power Systems, Inc. Dba Drs Power & Control Technologies Inc Div Drs Naval Power Systems (CAGE 1EKE3); Rosemount Aerospace Inc Dba Rosemount Aerospace Inc (CAGE 59885); Rolls-Royce Marine North America Inc. (CAGE 38ZC7); Rosemount Inc Dba Fisher Rosemount Service and Support (CAGE 04274) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-482-5964 |
| Primary Part Number | 139T |
| Item Name | Thermocouple,heating Element |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Rosemount Aerospace Inc Dba Rosemount Aerospace Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| PL-J500380AA REV A ITEM 18 | Drs Naval Power Systems, Inc. Dba Drs Power & Control Technologies Inc Div Drs Naval Power Systems (USA) |
| 139T PRIMARY | Rosemount Aerospace Inc Dba Rosemount Aerospace Inc (USA) |
| J500380AB-1 | Drs Naval Power Systems, Inc. Dba Drs Power & Control Technologies Inc Div Drs Naval Power Systems (USA) |
| 23036182 PRIMARY | Rolls-Royce Marine North America Inc. (USA) |
| 139T | Rosemount Inc Dba Fisher Rosemount Service and Support (USA) |
| Reference | Meaning |
|---|---|
| 139T | 5/9 Secondary reference Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas |
| 23036182 | C/1 Advisory reference — outside the item-of-supply concept Rolls-Royce Corporation |
NSN 6685-01-482-5964 is a Thermocouple,heating Element, manufactured by Rosemount Aerospace Inc Dba Rosemount Aerospace Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-482-5964 has 5 manufacturer part numbers on file: PL-J500380AA REV A ITEM 18 (Drs Naval Power Systems, Inc. Dba Drs Power & Control Technologies Inc Div Drs Naval Power Systems), 139T (Rosemount Aerospace Inc Dba Rosemount Aerospace Inc), J500380AB-1 (Drs Naval Power Systems, Inc. Dba Drs Power & Control Technologies Inc Div Drs Naval Power Systems), 23036182 (Rolls-Royce Marine North America Inc.), 139T (Rosemount Inc Dba Fisher Rosemount Service and Support).
1 possible match (shared part number, not a government interchangeability claim): 6660-01-615-6745. Verify interchangeability with system specifications before substitution.
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.