The Flask,kjeldahl, cataloged under National Stock Number 6640-00-425-3000, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-00-425-3000 |
| Item Name | Flask,kjeldahl |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Closure Type Accommodated and Size Designation | 6 RUBBER STOPPER MOUTH |
| Style Designator | ROUND MOUTH |
| Material Document and Classification | DD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
| Overall Outside Diameter | 3.750 INCHES NOMINAL IN |
| Primary Container Type | CARTON |
| Capacity Rating | 500.000 MILLILITERS NOMINAL |
| Nondefinitive Spec/std Data | VI TYPE AND 4 SIZE |
| Material | GLASS BOROSILICATE |
| Primary Container Unit Quantity | 1 |
| Total Primary Container 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 |
| Reference | Meaning |
|---|---|
| 29432-109 | 5/1 Secondary reference Vwr International, Llc Dba Vwr Scientific |
| NNN-F-240 | 4/1 Identification reference U.S. Government activity |
| MS36067-4 | 2/2 Government specification standardization U.S. Government activity |
NSN 6640-00-425-3000 is a Flask,kjeldahl, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
Key specifications for 6640-00-425-3000: Overall Height: 12.750 INCHES NOMINAL IN; Closure Type Accommodated and Size Designation: 6 RUBBER STOPPER MOUTH; Style Designator: ROUND MOUTH; Material Document and Classification: DD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE. 10 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.