The Pad,felt,constant Temperature Ba, cataloged under National Stock Number 6640-01-106-3208, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-106-3208 |
| Item Name | Pad,felt,constant Temperature Ba |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| General Characteristics Item Description | ROUND; 11 IN. DIA; 1/4 IN. THICK; USED TO SUPPORT MODEL M1-20.1,CANNON INSTRUMENT CO,CONSTANT TEMPERATURE BATH IN |
| 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 |
|---|---|
| P20.16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6640-01-106-3208 is a Pad,felt,constant Temperature Ba, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-281-7410, 7025-01-664-5722. Verify interchangeability with system specifications before substitution.
Key specifications for 6640-01-106-3208: General Characteristics Item Description: ROUND; 11 IN. DIA; 1/4 IN. THICK; USED TO SUPPORT MODEL M1-20.1,CANNON INSTRUMENT CO,CONSTANT TEMPERATURE BATH IN. 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.