The Disk,valve, cataloged under National Stock Number 4820-00-348-1858, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-348-1858 |
| Primary Part Number | 525-30 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Outside Diameter | 0.370 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-348-1858 is a Disk,valve, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-348-1858 has 2 cross-referenced part numbers: 525-30 (Donallco Inc), 525-30 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
There are 3 known substitutes for 4820-00-348-1858: 2805-00-270-3430, 4510-01-240-2780, 6650-01-618-0677. Verify interchangeability with system specifications before substitution.
Key specifications for 525-30: Outside Diameter: 0.370 INCHES NOMINAL IN; Material: STEEL; Overall Height: 0.562 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.