The Bath,constant Temperature, cataloged under National Stock Number 6640-01-537-1674, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Tannas Co Inc Dba Tannas Co Inc. Government technical data includes 1 specification, 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 | 6640-01-537-1674 |
| Primary Part Number | SB+2 |
| Item Name | Bath,constant Temperature |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Tannas Co Inc Dba Tannas Co Inc |
| Status | ACTIVE |
| Shape | RECTANGULAR |
| 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 |
|---|---|
| SB+2 PRIMARY | Tannas Co Inc Dba Tannas Co Inc (USA) |
NSN 6640-01-537-1674 is a Bath,constant Temperature, manufactured by Tannas Co Inc Dba Tannas Co Inc, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-537-1674 has 1 manufacturer part number on file: SB+2 (Tannas Co Inc Dba Tannas Co Inc).
Key specifications for SB+2: Shape: RECTANGULAR; Special Features: LOW TEMPERATURE SCANNING DEVICE; BROAD COOLING RANGE; MANUAL AND AUTOMATIC TEMPERATURE CONTROL; 5 REPLACEABLE BOTH COVERS; SOURCE FOR 6 DIFFERENT LOW-TEMPERATURE TEST METHODS; MULTIPURPOSE. 1 specification is 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.