The Crystal Assy,test S, cataloged under National Stock Number 4920-00-020-3581, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Viasys Respiratory Care Inc. Dba Biosys Healthcare. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Crystal Assy,test S |
| FSC / FSG | 4920 — No Item Name Available (FSG 49) |
| Manufacturers | Viasys Respiratory Care Inc. Dba Biosys Healthcare (CAGE 53110) |
| Parameter | Value |
|---|---|
| NSN | 4920-00-020-3581 |
| Primary Part Number | 13-6924 |
| Item Name | Crystal Assy,test S |
| FSC / FSG | 4920 / 49 — No Item Name Available |
| Manufacturer | Viasys Respiratory Care Inc. Dba Biosys Healthcare |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 13-6924 PRIMARY | Viasys Respiratory Care Inc. Dba Biosys Healthcare (USA) |
NSN 4920-00-020-3581 is a Crystal Assy,test S, manufactured by Viasys Respiratory Care Inc. Dba Biosys Healthcare, classified under FSC 4920 (No Item Name Available). Status: active.
NSN 4920-00-020-3581 has 1 cross-referenced part number: 13-6924 (Viasys Respiratory Care Inc. Dba Biosys Healthcare).
There are 2 known substitutes for 4920-00-020-3581: 5998-00-350-6039, 5930-01-485-1778. Verify interchangeability with system specifications before substitution.