The Seat,valve, cataloged under National Stock Number 4820-00-431-1653, 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 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-431-1653 |
| Primary Part Number | 12529 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | CANCELLED |
| Style Designator | PLAIN THREADED |
| Material | COPPER OVERALL |
| Seating Surface Shape | ANGULAR |
| Nominal Thread Size | 1.500 INCHES SINGLE THREADED PORTION IN |
| Thread Quantity Per Inch | 24 SINGLE THREADED PORTION |
| Thread Class | 3A SINGLE THREADED PORTION A |
| Seat Angle in Deg | 0.750 NOMINAL |
| Thread Length | 0.137 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Body Inside Diameter | 0.500 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12529 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| 12529 | Compair Kellogg Div of Robertshaw Controls Co (USA) |
| 12529A | Compair Kellogg Div of Robertshaw Controls Co (USA) |
| 12529 | Abex Corp Engineered Products Div (USA) |
| 12529 | Leroi International Inc Dba Compair Leroi (USA) |
| 12529 | Parker Hannifin Corporation Div Hydraulic Systems Division (USA) |
| 12529 | Schramm, Inc. (USA) |
NSN 4820-00-431-1653 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 4820-00-431-1653 has 7 cross-referenced part numbers: 12529 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), 12529 (Compair Kellogg Div of Robertshaw Controls Co), 12529A (Compair Kellogg Div of Robertshaw Controls Co), 12529 (Abex Corp Engineered Products Div), 12529 (Leroi International Inc Dba Compair Leroi) and 2 more.
There are 7 known substitutes for 4820-00-431-1653: 5995-00-237-0031, 5950-00-421-9089, 3120-01-070-7160 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12529: Style Designator: PLAIN THREADED; Material: COPPER OVERALL; Seating Surface Shape: ANGULAR; Nominal Thread Size: 1.500 INCHES SINGLE THREADED PORTION IN. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-431-1653 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.