The Lead,thermocouple, cataloged under National Stock Number 6685-00-182-7589, 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 Semco Instruments, Inc. Dba Harcosemco. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-00-182-7589 |
| Primary Part Number | MSC7300-1 |
| Item Name | Lead,thermocouple |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Semco Instruments, Inc. Dba Harcosemco |
| Status | ACTIVE |
| General Characteristics Item Description | 4 TERMINALS; 35.500 IN. OVERALL LGTH IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MSC7300-1 PRIMARY | Semco Instruments, Inc. Dba Harcosemco (USA) |
| Reference | Meaning |
|---|---|
| 3018654 | 3/9 Design control — primary reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
NSN 6685-00-182-7589 is a Lead,thermocouple, manufactured by Semco Instruments, Inc. Dba Harcosemco, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-182-7589 has 1 manufacturer part number on file: MSC7300-1 (Semco Instruments, Inc. Dba Harcosemco).
Key specifications for MSC7300-1: General Characteristics Item Description: 4 TERMINALS; 35.500 IN. OVERALL LGTH IN. 1 specification is 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.
NSN 6685-00-182-7589 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.