The Test Tube, cataloged under National Stock Number 6640-01-477-9838, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Helena Laboratories Corporation Div Helena Laboratories. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Test Tube |
| FSC / FSG | 6640 — Laboratory Equipment and Supplies (FSG 66) |
| Manufacturers | Helena Laboratories Corporation Div Helena Laboratories (CAGE 53738) |
| Parameter | Value |
|---|---|
| NSN | 6640-01-477-9838 |
| Primary Part Number | C.ACT |
| Item Name | Test Tube |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Helena Laboratories Corporation Div Helena Laboratories |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| C.ACT PRIMARY | Helena Laboratories Corporation Div Helena Laboratories (USA) |
NSN 6640-01-477-9838 is a Test Tube, manufactured by Helena Laboratories Corporation Div Helena Laboratories, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-477-9838 has 1 manufacturer part number on file: C.ACT (Helena Laboratories Corporation Div Helena Laboratories).
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.