The Valve,safety Relief, cataloged under National Stock Number 4820-01-503-4321, 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. 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.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Griswold Industries Dba Cla-Val Co (CAGE 86184) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-503-4321 |
| Primary Part Number | 50M-5KR 2-1/2IN |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Griswold Industries Dba Cla-Val Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 202585 | Griswold Industries Dba Cla-Val Co (USA) |
| 50M-5KR 2-1/2IN PRIMARY | Griswold Industries Dba Cla-Val Co (USA) |
NSN 4820-01-503-4321 is a Valve,safety Relief, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-503-4321 has 2 cross-referenced part numbers: 202585 (Griswold Industries Dba Cla-Val Co), 50M-5KR 2-1/2IN (Griswold Industries Dba Cla-Val Co).
There are 2 known substitutes for 4820-01-503-4321: 5305-00-208-4619, 4820-01-503-9166. Verify interchangeability with system specifications before substitution.