The Bath,constant Temperature, cataloged under National Stock Number 6640-01-050-9859, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-050-9859 |
| Item Name | Bath,constant Temperature |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Cooling Coils for Below Room Temp Use | NOT INCLUDED |
| Phase | SINGLE |
| Thermometer Opening | NOT PROVIDED |
| Inside Width | 7.500 INCHES NOMINAL IN |
| Current Type | AC |
| Inside Length | 12.000 INCHES NOMINAL IN |
| Inside Depth | 7.500 INCHES NOMINAL IN |
| Low Water Cutoff | NOT INCLUDED |
| Heating Element Quantity | 2 |
| Shape | RECTANGULAR |
| Insulated Feature | INCLUDED |
| Heating Element Current Type | AC |
| Inner Surface Color | ANY ACCEPTABLE |
| Accessory Components and Quantity | THERMOMETER,1; 6 FT. CORD,1; 3-WIRE PLUG,1 FT |
| Constant Water Level Attachment | NOT INCLUDED |
| Thermoregulator | INCLUDED |
| Capacity Rating | 3.500 GALLONS NOMINAL |
| Temp Regulating Settings | AUTOMATIC TEMP CONTROL PERMITS SELECTION OF ANY 2 TEMPERATURES,BUT ALL TEMPERATURES WITHIN RANGE MAY ALSO BE USED W/O CHANGING THE 2 SETTINGS |
| Agitator | INCLUDED |
| Wattage Rating | 800.0 WATTS |
| Test Tube Rack | NOT INCLUDED |
| Heating Element Phase | SINGLE |
| Operating Temp Range | +25.0 TO 100.0 CELSIUS DEGC |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Material | STEEL CORROSION RESISTING RESERVOIR |
| Heating Element Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Reservoir Removability | NONREMOVABLE |
| Voltage Rating | 120.0 VOLTS NOMINAL |
| Heating Element Voltage Rating | 120.0 VOLTS NOMINAL |
| Pilot Light | INCLUDED |
| 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 |
|---|---|
| MW-1110A-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6640-01-050-9859 is a Bath,constant Temperature, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
Key specifications for 6640-01-050-9859: Cooling Coils for Below Room Temp Use: NOT INCLUDED; Phase: SINGLE; Thermometer Opening: NOT PROVIDED; Inside Width: 7.500 INCHES NOMINAL IN. 30 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.