The Valve,safety Relief, cataloged under National Stock Number 4820-00-410-9533, 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 Valve Division. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-410-9533 |
| Primary Part Number | PK100 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Disk Loading Method | SPRING |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Operating Pressure | 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Material | IRON CAST BODY |
| Flow Control Device | POPPET |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Thread Series Designator | NPTF ALL ENDS |
| Mounting Facility | THREADED FASTENER |
| Nominal Pipe Size Accommodated | 1.000 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 231-4983 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| PK100 | Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA) |
| PK100 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 231-4983 | Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA) |
NSN 4820-00-410-9533 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-410-9533 has 4 cross-referenced part numbers: 231-4983 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), PK100 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division), PK100 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 231-4983 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division).
There are 3 known substitutes for 4820-00-410-9533: 4820-01-057-4092, 5110-01-437-1693, 5935-01-513-7906. Verify interchangeability with system specifications before substitution.
Key specifications for PK100: Disk Loading Method: SPRING; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Operating Pressure: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: STRAIGHT THRU. 13 total characteristics are documented in the Federal Logistics Information System.