The Seat,valve, cataloged under National Stock Number 4820-00-431-1650, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-431-1650 |
| Primary Part Number | 12526 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | CANCELLED |
| Body Inside Diameter | 2.969 INCHES NOMINAL IN |
| Material | PLASTIC FACE |
| Material | RUBBER OR RUBBER SYNTHETIC-NATURAL BODY |
| Style Designator | PLAIN |
| Seating Surface Shape | ANGULAR |
| Material | RUBBER SEAT |
| Hardness Rating | 60.0 SHORE DUROMETER D MINIMUM AND 70.0 SHORE DUROMETER D MAXIMUM BODY |
| Body Outside Diameter | 11.750 INCHES MINIMUM AND 11.760 INCHES MAXIMUM IN |
| Seal Accommodation Type | RECESSED |
| Seat Angle in Deg | 51.700 MAXIMUM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1F4518 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 012526 | Leroi International Inc Dba Compair Leroi (USA) |
| 12526A | Compair Kellogg Div of Robertshaw Controls Co (USA) |
| 012526 | Compair Kellogg Div of Robertshaw Controls Co (USA) |
| 12526 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
NSN 4820-00-431-1650 is a Seat,valve, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-431-1650 has 5 cross-referenced part numbers: 1F4518 (Caterpillar Inc Div Caterpillar Defense), 012526 (Leroi International Inc Dba Compair Leroi), 12526A (Compair Kellogg Div of Robertshaw Controls Co), 012526 (Compair Kellogg Div of Robertshaw Controls Co), 12526 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
There are 12 known substitutes for 4820-00-431-1650: 5330-00-291-9639, 6530-00-404-4045, 4140-00-406-0320 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12526: Body Inside Diameter: 2.969 INCHES NOMINAL IN; Material: PLASTIC FACE; Material: RUBBER OR RUBBER SYNTHETIC-NATURAL BODY; Style Designator: PLAIN. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-431-1650 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.