The Sink Unit,laboratory, cataloged under National Stock Number 6640-00-856-9593, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-00-856-9593 |
| Item Name | Sink Unit,laboratory |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Electric Heater | NOT INCLUDED |
| Individual Sink Overall Width | 18.000 INCHES IN |
| Sink Quantity | 1 |
| Individual Sink Overall Length | 24.000 INCHES IN |
| Individual Sink Overall Depth | 8.000 INCHES IN |
| Sink Water Faucet Control Type | ELBOW-CONTROLLED |
| 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 |
|---|---|
| W450 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6640-00-856-9593 is a Sink Unit,laboratory, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1940-01-247-9809. Verify interchangeability with system specifications before substitution.
Key specifications for 6640-00-856-9593: Electric Heater: NOT INCLUDED; Individual Sink Overall Width: 18.000 INCHES IN; Sink Quantity: 1; Individual Sink Overall Length: 24.000 INCHES IN. 6 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.