The Indicator,temperature,synchro, cataloged under National Stock Number 6685-00-573-7407, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6685-00-573-7407 |
| Item Name | Indicator,temperature,synchro |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Phase | SINGLE |
| Length | 9.000 INCHES NOMINAL IN |
| AC Voltage Rating | 115.0 VOLTS NOMINAL |
| Current Type | AC/DC |
| Display Digit Quantity | 4 |
| Electrical Connection Quantity | 1 |
| DC Voltage Rating | 28.0 VOLTS NOMINAL |
| Diameter | 3.230 INCHES NOMINAL IN |
| Pointer Type | INDICATING SINGLE POINTER |
| Presentation Type | DIAL AND COUNTER |
| Height | 3.130 INCHES NOMINAL IN |
| Frequency Rating | 60.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM |
| Fuse Current Rating in Amps | 20.0 NOMINAL |
| 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 |
|---|---|
| 2349-01 | 5/9 Secondary reference Malwin Electronics Corp. |
| BH 187R111 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6685-00-573-7407 is a Indicator,temperature,synchro, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6615-01-091-8769. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-00-573-7407: Phase: SINGLE; Length: 9.000 INCHES NOMINAL IN; AC Voltage Rating: 115.0 VOLTS NOMINAL; Current Type: AC/DC. 13 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.