The Liquid Bath,electric, cataloged under National Stock Number 6640-01-112-3502, 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 18 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-112-3502 |
| Primary Part Number | 66552 |
| 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 |
| Opening Quantity | 1 |
| Low Water Cutoff | NOT INCLUDED |
| Heating Element Quantity | 2 |
| Shape | RECTANGULAR |
| Insulated Feature | INCLUDED |
| Heating Element Current Type | AC |
| Capacity Rating | 2.560 GALLONS NOMINAL |
| Agitator | NOT INCLUDED |
| Test Tube Rack | NOT INCLUDED |
| Heating Element Phase | SINGLE |
| Material | STEEL CORROSION RESISTING RESERVOIR |
| Heating Element Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Reservoir Removability | NONREMOVABLE |
| Heating Element Voltage Rating | 120.0 VOLTS NOMINAL |
| Pilot Light | INCLUDED |
| Heating Element Wattage in Watts | 1120.0 |
| 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 |
|---|---|
| 66552 PRIMARY | Precision Scientific Petroleum Instruments Co (USA) |
NSN 6640-01-112-3502 is a Liquid Bath,electric, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-112-3502 has 1 manufacturer part number on file: 66552 (Precision Scientific Petroleum Instruments Co).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-158-9403, 6110-01-447-9771. Verify interchangeability with system specifications before substitution.
Key specifications for 66552: Cooling Coils for Below Room Temp Use: NOT INCLUDED; Thermometer Opening: PROVIDED; Opening Quantity: 1; Low Water Cutoff: NOT INCLUDED. 18 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.