The Bath,constant Temperature, cataloged under National Stock Number 6640-01-650-3112, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Preston Industries 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-650-3112 |
| Primary Part Number | WB20 |
| Item Name | Bath,constant Temperature |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Preston Industries Inc |
| Status | ACTIVE |
| Shape | SQUARE |
| Capacity Rating | 20.0 LITERS NOMINAL |
| 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 |
|---|---|
| WB20 PRIMARY | Preston Industries Inc (USA) |
NSN 6640-01-650-3112 is a Bath,constant Temperature, manufactured by Preston Industries Inc, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-650-3112 has 1 manufacturer part number on file: WB20 (Preston Industries Inc).
Key specifications for WB20: Overall Length: 9.50 INCHES IN; Shape: SQUARE; Capacity Rating: 20.0 LITERS NOMINAL; Overall Width: 17.00 INCHES IN. 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.