The Cell Washing System, cataloged under National Stock Number 6640-01-697-0371, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Helmer Scientific Llc Dba Helmer. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-697-0371 |
| Primary Part Number | 550164-1 |
| Item Name | Cell Washing System |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Helmer Scientific Llc Dba Helmer |
| Status | ACTIVE |
| Current Type | AC |
| 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 |
|---|---|
| 550164-1 PRIMARY | Helmer Scientific Llc Dba Helmer (USA) |
| Reference | Meaning |
|---|---|
| 6640NCM217310 | 5/1 Secondary reference Defense Medical Standardization Board |
| 1597992 | 5/1 Secondary reference U.S. Government activity |
| ULTRACW II | 5/1 Secondary reference Helmer Scientific Llc Dba Helmer |
NSN 6640-01-697-0371 is a Cell Washing System, manufactured by Helmer Scientific Llc Dba Helmer, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-697-0371 has 1 manufacturer part number on file: 550164-1 (Helmer Scientific Llc Dba Helmer).
Key specifications for 550164-1: Current Type: AC; Special Features: ULTRACW II AUTOMATIC CELL WASHER PACKAGE W/12-PLACE ROTOR AND TUBE HOLDERS (10/12X75MM) (UNIVERSAL VOLTAGE AND NEMA 5-15 PLUG).; Part Name Assigned by Controlling Agency: CELL WASHING SYSTEM, AUTOMATIC. 1 specification is 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.