The Flask,dewar, cataloged under National Stock Number 6640-00-377-9382, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is J & H Berge, Inc. Dba Lab Mart, the Div the Labmart. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-00-377-9382 |
| Primary Part Number | 35-4840-31 |
| Item Name | Flask,dewar |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | J & H Berge, Inc. Dba Lab Mart, the Div the Labmart |
| Status | ACTIVE |
| Inside Length | 277.00 MILLIMETERS NOMINAL MM |
| Style Designator | VACUUM |
| Overall Outside Diameter | 83.00 MILLIMETERS NOMINAL MM |
| Primary Container Type | BOX |
| Capacity Rating | 950.000 MILLILITERS NOMINAL |
| Nondefinitive Spec/std Data | 1411.3 METHOD |
| 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 |
|---|---|
| 35-4840-31 PRIMARY | J & H Berge, Inc. Dba Lab Mart, the Div the Labmart (USA) |
| 5028-M54 PRIMARY | Arthur H. Thomas Company (USA) |
| Reference | Meaning |
|---|---|
| G17537 | 3/9 Design control — primary reference Manostat Corp |
NSN 6640-00-377-9382 is a Flask,dewar, manufactured by J & H Berge, Inc. Dba Lab Mart, the Div the Labmart, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-377-9382 has 2 manufacturer part numbers on file: 35-4840-31 (J & H Berge, Inc. Dba Lab Mart, the Div the Labmart), 5028-M54 (Arthur H. Thomas Company).
Key specifications for 35-4840-31: Overall Height: 282.00 MILLIMETERS NOMINAL MM; Inside Length: 277.00 MILLIMETERS NOMINAL MM; Style Designator: VACUUM; Overall Outside Diameter: 83.00 MILLIMETERS NOMINAL MM. 7 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.