The Disk,valve, cataloged under National Stock Number 4820-01-145-5601, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-145-5601 |
| Primary Part Number | 39983C |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Griswold Industries Dba Cla-Val Co |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Material | COPPER ALLOY |
| Outside Diameter | 4.125 INCHES NOMINAL IN |
| Inside Diameter | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-145-5601 is a Disk,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-145-5601 has 2 cross-referenced part numbers: 39983C (Griswold Industries Dba Cla-Val Co), 39983 (Griswold Industries Dba Cla-Val Co).
There are 2 known substitutes for 4820-01-145-5601: 5961-00-553-9059, 5950-00-829-8715. Verify interchangeability with system specifications before substitution.
Key specifications for 39983C: Style Designator: PLAIN; Material: COPPER ALLOY; Overall Height: 0.915 INCHES NOMINAL IN; Outside Diameter: 4.125 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.