The Flask,dewar, cataloged under National Stock Number 6640-00-899-6375, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Cole-Parmer Instrument Company, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-00-899-6375 |
| Primary Part Number | EW-03711-11 |
| Item Name | Flask,dewar |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Cole-Parmer Instrument Company, Llc |
| Status | ACTIVE |
| Inside Length | 195.00 MILLIMETERS NOMINAL MM |
| Style Designator | VACUUM |
| Overall Outside Diameter | 149.00 MILLIMETERS NOMINAL MM |
| Primary Container Type | BOX |
| Capacity Rating | 1900.000 MILLILITERS NOMINAL |
| Primary Container Unit Quantity | 1 |
| 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 |
|---|---|
| EW-03711-11 PRIMARY | Cole-Parmer Instrument Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| Z120766 | 5/9 Secondary reference Sigma-Aldrich Corporation |
| 35-484 | 5/9 Secondary reference Manostat Corp |
NSN 6640-00-899-6375 is a Flask,dewar, manufactured by Cole-Parmer Instrument Company, Llc, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-899-6375 has 1 manufacturer part number on file: EW-03711-11 (Cole-Parmer Instrument Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-190-1012. Verify interchangeability with system specifications before substitution.
Key specifications for EW-03711-11: Overall Height: 267.00 MILLIMETERS NOMINAL MM; Inside Length: 195.00 MILLIMETERS NOMINAL MM; Style Designator: VACUUM; Overall Outside Diameter: 149.00 MILLIMETERS NOMINAL MM. 6 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.