The Protector,thermo-Overload,cryost, cataloged under National Stock Number 6640-01-333-2603, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-333-2603 |
| Item Name | Protector,thermo-Overload,cryost |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| General Characteristics Item Description | FOR USE ON CRYOSTAT MICROTOME; MODEL 4553 |
| Purchase Description Identification | 22353-81455303 |
| 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 |
|---|---|
| 81455303 | 5/9 Secondary reference Baxter Healthcare Corp Baxter Scientific Products Div Government Sales |
| 81455303 | 3/1 Design control — primary reference Cardinal Health 200, Llc |
NSN 6640-01-333-2603 is a Protector,thermo-Overload,cryost, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
Key specifications for 6640-01-333-2603: General Characteristics Item Description: FOR USE ON CRYOSTAT MICROTOME; MODEL 4553; Purchase Description Identification: 22353-81455303; Part Name Assigned by Controlling Agency: PROTECTOR THERMO OVERLOAD CRYOSTAT E.I. NSN 6640013054100; End Item Identification: 6640-01-305-4100 END ITEM. 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.