The Regulator,temperature, cataloged under National Stock Number 6685-01-685-5685, 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 Lockheed Martin Corporation. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-685-5685 |
| Primary Part Number | 627221609-002 |
| Item Name | Regulator,temperature |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 50.0 DC |
| Fragility Factor | EXTREMELY FRAGILE |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Surface Treatment | COPPER |
| Special Markings | 627221609-002 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 627221609-002 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 627221609 | D/9 Drawing number reference only Lockheed Martin Corporation |
NSN 6685-01-685-5685 is a Regulator,temperature, manufactured by Lockheed Martin Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-685-5685 has 1 manufacturer part number on file: 627221609-002 (Lockheed Martin Corporation).
Key specifications for 627221609-002: Voltage in Volts and Current Type: 50.0 DC; Fragility Factor: EXTREMELY FRAGILE; Overall Diameter: 0.500 INCHES NOMINAL IN; Special Features: OPERATING TEMPERATURE IS -65 DEGREES CELSIUS TO 45 DEGRESS CELSIUS. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6685-01-685-5685 has DEMIL Code D. 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.