The Rack,test Tube,laboratory, cataloged under National Stock Number 6640-00-720-3625, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-00-720-3625 |
| Item Name | Rack,test Tube,laboratory |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Well Depth | 2.500 INCHES NOMINAL IN |
| Well Quantity | 20 |
| Well Diameter | 22.000 MILLIMETERS NOMINAL MM |
| Material | ALUMINUM |
| Tier Quantity | 2 |
| 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 |
|---|---|
| D20402 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6640-00-720-3625 is a Rack,test Tube,laboratory, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5985-01-678-7997. Verify interchangeability with system specifications before substitution.
Key specifications for 6640-00-720-3625: Overall Height: 3.000 INCHES NOMINAL IN; Well Depth: 2.500 INCHES NOMINAL IN; Well Quantity: 20; Overall Length: 13.000 INCHES NOMINAL IN. 5 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.