The Flask,dewar, cataloged under National Stock Number 6640-00-453-6960, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-00-453-6960 |
| Item Name | Flask,dewar |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Inside Length | 147.000 MILLIMETERS NOMINAL MM |
| Style Designator | VACUUM |
| Overall Outside Diameter | 92.000 MILLIMETERS NOMINAL MM |
| Capacity Rating | 600.000 MILLILITERS NOMINAL |
| 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 |
|---|---|
| S28013 | 3/9 Design control — primary reference Tracor Applied Sciences Inc Systems Technology Div Rockville Laboratory Sub of Tracor |
NSN 6640-00-453-6960 is a Flask,dewar, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
Key specifications for 6640-00-453-6960: Overall Height: 152.000 MILLIMETERS NOMINAL MM; Inside Length: 147.000 MILLIMETERS NOMINAL MM; Style Designator: VACUUM; Overall Outside Diameter: 92.000 MILLIMETERS NOMINAL MM. 4 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.