The Thermocouple,heating Element, cataloged under National Stock Number 6685-01-421-7889, 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 Cryoquip, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-421-7889 |
| Primary Part Number | 191144-1 |
| Item Name | Thermocouple,heating Element |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Cryoquip, 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 |
NSN 6685-01-421-7889 is a Thermocouple,heating Element, manufactured by Cryoquip, Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-421-7889 has 2 manufacturer part numbers on file: 191144-1 (Cryoquip, Llc), 4541701 (Cryoquip, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6850-01-544-6199. Verify interchangeability with system specifications before substitution.
Key specifications for 191144-1: End Item Identification: NIMITZ CLASS CVN. 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.