The Control,temperature,indicating, cataloged under National Stock Number 6685-00-121-8650, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-00-121-8650 |
| Item Name | Control,temperature,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| 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 |
| Reference | Meaning |
|---|---|
| T675A1417 | 3/9 Design control — primary reference Honeywell International, Inc Dba Honeywell International Div Honeywell Energy Solutions Group |
| 0CTC1-21 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| 314643 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 6685-00-121-8650 is a Control,temperature,indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-103-5974, 5935-01-219-7697. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-00-121-8650: End Item Identification: TRIDENT MATERIAL. 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.