The Disk,valve, cataloged under National Stock Number 4820-00-431-1651, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-431-1651 |
| Primary Part Number | 1F4519 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1F4519 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 12527 | Parker Hannifin Corporation Div Hydraulic Systems Division (USA) |
| 12527 | Compair Kellogg Div of Robertshaw Controls Co (USA) |
| 12527 | Leroi International Inc Dba Compair Leroi (USA) |
| 12527 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
NSN 4820-00-431-1651 is a Disk,valve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-431-1651 has 5 cross-referenced part numbers: 1F4519 (Caterpillar Inc Div Caterpillar Defense), 12527 (Parker Hannifin Corporation Div Hydraulic Systems Division), 12527 (Compair Kellogg Div of Robertshaw Controls Co), 12527 (Leroi International Inc Dba Compair Leroi), 12527 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
There are 12 known substitutes for 4820-00-431-1651: 4210-00-009-7362, 5950-00-228-7179, 6530-00-404-4044 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1F4519: Material: STEEL; End Item Identification: GRUMMAN AEROSPACE A-10 AIRCRAFT. 2 total characteristics are documented in the Federal Logistics Information System.