The Coupling,drain,thawing System, cataloged under National Stock Number 6640-01-557-4709, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Helmer Scientific Llc Dba Helmer. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-557-4709 |
| Primary Part Number | 220233 |
| Item Name | Coupling,drain,thawing System |
| FSC / FSG | 6640 / 66 — No Item Name Available |
| Manufacturer | Helmer Scientific Llc Dba Helmer |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 220233 PRIMARY | Helmer Scientific Llc Dba Helmer (USA) |
| 6640NCM071873 | Defense Medical Standardization Board (USA) |
| 4910 | Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA) |
NSN 6640-01-557-4709 is a Coupling,drain,thawing System, manufactured by Helmer Scientific Llc Dba Helmer, classified under FSC 6640 (No Item Name Available). Status: active.
NSN 6640-01-557-4709 has 3 cross-referenced part numbers: 220233 (Helmer Scientific Llc Dba Helmer), 6640NCM071873 (Defense Medical Standardization Board), 4910 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia).
There are 7 known substitutes for 6640-01-557-4709: 3110-00-084-8480, 5305-00-638-8698, 4730-00-710-0167 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 220233: Part Name Assigned by Controlling Agency: COUPLING DRAIN F/THAWING SYS MODEL DH4 ID 1/2IN IN; Special Features: DRAIN COUPLING; INSERT HOSE BARB 1/2IN. INNER DIAMETER; FOR USE ON THE PLASMA THAWING SYSTEM, NSN: 6640-01-510-3136 IN. 2 total characteristics are documented in the Federal Logistics Information System.