The Test Tube, cataloged under National Stock Number 6640-01-357-0421, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Corning Glass Works. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-357-0421 |
| Primary Part Number | 9820-20 |
| Item Name | Test Tube |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Corning Glass Works |
| Status | ACTIVE |
| Style Designator | PLAIN RIM ROUND BOTTOM |
| Overall Outside Diameter | 20.0 MILLIMETERS NOMINAL MM |
| Primary Container Type | PACKAGE |
| Capacity Rating | 34.000 MILLILITERS NOMINAL |
| Material | GLASS |
| Primary Container Unit Quantity | 24 |
| Total Primary Container Quantity | 576 |
| 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 |
|---|---|
| 9820-20 PRIMARY | Corning Glass Works (USA) |
| Reference | Meaning |
|---|---|
| 9820-20X150 | 5/9 Secondary reference Corning Glass Works |
NSN 6640-01-357-0421 is a Test Tube, manufactured by Corning Glass Works, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-357-0421 has 1 manufacturer part number on file: 9820-20 (Corning Glass Works).
Key specifications for 9820-20: Style Designator: PLAIN RIM ROUND BOTTOM; Overall Length: 150.0 MILLIMETERS NOMINAL MM; Overall Outside Diameter: 20.0 MILLIMETERS NOMINAL MM; Primary Container Type: PACKAGE. 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.