The Valve,check, cataloged under National Stock Number 4820-00-236-9454, 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 Gear Pump Division. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-236-9454 |
| Primary Part Number | LD1-25-1D |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Mounting Position | HORIZONTAL |
| Mounting Facility | THREADED FASTENER |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Valve Operation Method | MANUAL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL OVERALL |
| Center to Center Distance | 1.188 INCHES IN |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Thread Series Designator | UNF ALL ENDS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Flow Control Device | POPPET |
| Disk Loading Method | WEIGHT |
| Thread Class | 2A ALL ENDS A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1606-2 | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
| 989209 | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
| 1606A2 | Bosch Automation Technology (USA) |
| LD1-25-1D PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
NSN 4820-00-236-9454 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-236-9454 has 4 cross-referenced part numbers: 1606-2 (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division), 989209 (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division), 1606A2 (Bosch Automation Technology), LD1-25-1D (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division).
There are 11 known substitutes for 4820-00-236-9454: 5325-00-263-6632, 5315-00-472-9820, 5935-00-704-2105 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for LD1-25-1D: Special Features: PAINTED GRAY; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Mounting Position: HORIZONTAL; Mounting Facility: THREADED FASTENER. 16 total characteristics are documented in the Federal Logistics Information System.