The Flask,filtering, cataloged under National Stock Number 6640-00-522-1889, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-00-522-1889 |
| Primary Part Number | 35-9421-70 |
| Item Name | Flask,filtering |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | J & H Berge, Inc. Dba Lab Mart, the Div the Labmart |
| Status | ACTIVE |
| Closure Type Accommodated and Size Designation | 12 RUBBER STOPPER MOUTH |
| Style Designator | SMOOTH MOUTH W/SIDE TUBE |
| Overall Outside Diameter | 208.00 MILLIMETERS NOMINAL MM |
| Primary Container Type | BOX |
| Capacity Rating | 4000.000 MILLILITERS NOMINAL |
| Material | GLASS |
| 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 |
|---|---|
| 35-9421-70 | J & H Berge, Inc. Dba Lab Mart, the Div the Labmart (USA) |
| Reference | Meaning |
|---|---|
| 10-181-5E | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| 27065-4000 | 3/2 Design control — primary reference U.S. Government activity |
| 10-181-5-4000 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
NSN 6640-00-522-1889 is a Flask,filtering, manufactured by J & H Berge, Inc. Dba Lab Mart, the Div the Labmart, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-522-1889 has 1 manufacturer part number on file: 35-9421-70 (J & H Berge, Inc. Dba Lab Mart, the Div the Labmart).
Key specifications for 35-9421-70: Overall Height: 370.00 MILLIMETERS NOMINAL MM; Closure Type Accommodated and Size Designation: 12 RUBBER STOPPER MOUTH; Style Designator: SMOOTH MOUTH W/SIDE TUBE; Overall Outside Diameter: 208.00 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.