The Indicator,temperature,electrical, cataloged under National Stock Number 6685-00-409-4970, 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 General Motors Llc Dba General Motors Llc. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6685-00-409-4970 |
| Primary Part Number | 6401891 |
| Item Name | Indicator,temperature,electrical |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 BRACKET(S) AND 1 STUD(S) AND 1 CLAMP |
| Current Type | DC |
| DC Voltage Rating | 12.0 VOLTS NOMINAL |
| Diameter | 2.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6401891 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 6401891 | 3/9 Design control — primary reference General Motors Llc Dba General Motors |
| 101719 | 5/9 Secondary reference U.S. Government activity |
NSN 6685-00-409-4970 is a Indicator,temperature,electrical, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-409-4970 has 1 manufacturer part number on file: 6401891 (General Motors Llc Dba General Motors Llc).
1 possible match (shared part number, not a government interchangeability claim): 1730-00-534-0570. Verify interchangeability with system specifications before substitution.
Key specifications for 6401891: Mounting Facility Type and Quantity: 1 BRACKET(S) AND 1 STUD(S) AND 1 CLAMP; Current Type: DC; DC Voltage Rating: 12.0 VOLTS NOMINAL; Diameter: 2.000 INCHES NOMINAL IN. 4 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.