The Control,temperature,indicating, cataloged under National Stock Number 6685-01-679-3720, 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 Selco Products Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-679-3720 |
| Primary Part Number | WKF1V-005-020 |
| Item Name | Control,temperature,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Selco Products Inc |
| Status | ACTIVE |
| Terminal Type and Quantity | 2 TAB SOLDER LUG |
| Operating Temp Range | -35.0 TO 40.0 CELSIUS DEGC |
| 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 |
|---|---|
| WKF1V-005-020 PRIMARY | Selco Products Inc (USA) |
| Reference | Meaning |
|---|---|
| ESS-600-88A | 5/9 Secondary reference Mgr Equipment Corp |
NSN 6685-01-679-3720 is a Control,temperature,indicating, manufactured by Selco Products Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-679-3720 has 1 manufacturer part number on file: WKF1V-005-020 (Selco Products Inc).
Key specifications for WKF1V-005-020: Terminal Type and Quantity: 2 TAB SOLDER LUG; Operating Temp Range: -35.0 TO 40.0 CELSIUS DEGC; Part Name Assigned by Controlling Agency: COLD CAPILLARY CONTROL; End Item Identification: SERVICE STAND, R. 2 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.