The Control,temperature,indicating, cataloged under National Stock Number 6685-01-690-3174, 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 Farnell (france). Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-690-3174 |
| Primary Part Number | 540010/556301/556501 |
| Item Name | Control,temperature,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Farnell (france) |
| Status | ACTIVE |
| Inclosure Type | PARTIALLY INCLOSED |
| Maximum Overall Length | 38.0 MILLIMETERS MM |
| Maximum Overall Height | 43.5 MILLIMETERS MM |
| Power Source | EXTERNAL |
| Terminal Location | BOTTOM |
| Terminal Type and Quantity | 4 PIN |
| Current Rating in Amps | 15.0 |
| 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 |
|---|---|
| 540010/556301/556501 | Farnell (france) (FRA) |
| Reference | Meaning |
|---|---|
| 540010/556301/556501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-01-690-3174 is a Control,temperature,indicating, manufactured by Farnell (france), classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-690-3174 has 1 manufacturer part number on file: 540010/556301/556501 (Farnell (france)).
Key specifications for 540010/556301/556501: Inclosure Type: PARTIALLY INCLOSED; Maximum Overall Length: 38.0 MILLIMETERS MM; Maximum Overall Height: 43.5 MILLIMETERS MM; Power Source: EXTERNAL. 7 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.