The Liquid Bath,electric, cataloged under National Stock Number 6640-01-045-9164, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Precision Scientific Petroleum Instruments Co. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-045-9164 |
| Primary Part Number | 66634 |
| Item Name | Liquid Bath,electric |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Precision Scientific Petroleum Instruments Co |
| Status | ACTIVE |
| Cooling Coils for Below Room Temp Use | NOT INCLUDED |
| Thermometer Opening | PROVIDED |
| Inside Width | 10.500 INCHES NOMINAL IN |
| Opening Quantity | 1 |
| Inside Length | 27.000 INCHES NOMINAL IN |
| Inside Depth | 7.000 INCHES NOMINAL IN |
| Low Water Cutoff | NOT INCLUDED |
| Heating Element Quantity | 2 |
| Shape | RECTANGULAR |
| Insulated Feature | INCLUDED |
| Heating Element Current Type | AC |
| Accessory Components and Quantity | ONE 20-100 DEG C THERMOMETER AND HOLDER,ONE DIFFUSER SHELF,FOUR DETACHABLE DIFFUSER SHELF LEGS DEGC |
| Constant Water Level Attachment | NOT INCLUDED |
| Thermoregulator | INCLUDED |
| Temp Regulating Settings | 60 DEG C,100 DEG C DEGC |
| Agitator | NOT INCLUDED |
| Test Tube Rack | NOT INCLUDED |
| Heating Element Phase | SINGLE |
| Operating Temp Range | +60.0 TO 100.0 CELSIUS DEGC |
| Material | STEEL CORROSION RESISTING RESERVOIR |
| Heating Element Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL |
| Reservoir Removability | NONREMOVABLE |
| Heating Element Voltage Rating | 115.0 VOLTS NOMINAL |
| Pilot Light | INCLUDED |
| Heating Element Wattage in Watts | 750.0 AND 1000.0 |
| Heating Element Type | ELECTRIC IMMERSION |
| Accuracy Range | -0.1 TO 0.1 DEG CELSIUS |
| 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 |
|---|---|
| 66634 PRIMARY | Precision Scientific Petroleum Instruments Co (USA) |
| Reference | Meaning |
|---|---|
| 13470-062 | 5/9 Secondary reference Vwr Scientific Inc |
NSN 6640-01-045-9164 is a Liquid Bath,electric, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-045-9164 has 1 manufacturer part number on file: 66634 (Precision Scientific Petroleum Instruments Co).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-596-4543. Verify interchangeability with system specifications before substitution.
Key specifications for 66634: Cooling Coils for Below Room Temp Use: NOT INCLUDED; Thermometer Opening: PROVIDED; Inside Width: 10.500 INCHES NOMINAL IN; Opening Quantity: 1. 27 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.