The Thermocouple,heating Element, cataloged under National Stock Number 6685-01-471-8260, 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 Heraeus Kulzer Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-471-8260 |
| Primary Part Number | 335973 |
| Item Name | Thermocouple,heating Element |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Heraeus Kulzer Llc |
| 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 |
|---|---|
| 335973 PRIMARY | Heraeus Kulzer Llc (USA) |
| Reference | Meaning |
|---|---|
| 99-1358 | 5/1 Secondary reference U.S. Government activity |
| ACCU-THERM III | 5/1 Secondary reference Heraeus Kulzer Llc |
| LL-H53-4832 | 5/1 Secondary reference Naval Medical Material Support Command Detachment |
NSN 6685-01-471-8260 is a Thermocouple,heating Element, manufactured by Heraeus Kulzer Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-471-8260 has 1 manufacturer part number on file: 335973 (Heraeus Kulzer Llc).
4 possible matches (shared part number, not a government interchangeability claim): 6520-01-471-8263, 6520-01-471-8282, 6520-01-471-8284. Verify interchangeability with system specifications before substitution.
Key specifications for 335973: Special Features: THERMOCOUPLE USED AS A REPLACEMENT-REPAIRABLE ITEM FOR AN ELECTRIC DENTAL LABORATORY BURNOUT FURNACE; CAN BE USED ON ACCU-THERM III 3000 AND 6000 BURNOUT FURNACES; Part Name Assigned by Controlling Agency: THERMOCOUPLE HEATING ELEMENT CAN BE USED ON ACCU-THERM III; End Item Identification: FURNACE DENTAL LABORATORY, ELECTRIC; MODEL ACCU-THERM III P/N 335950. 0 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.