The Valve,safety Relief, cataloged under National Stock Number 4820-00-498-7296, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-498-7296 |
| Primary Part Number | 636B-3-1/4-1 |
| 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 |
| Operating Pressure | 3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Style Designator | ANGLE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Flow Control Device | POPPET |
| Thread Direction | RIGHT-HAND FIRST END |
| Thread Series Designator | NPT FIRST END |
| Adjustable Pressure Range | +40.0 TO 125.0 POUNDS PER SQUARE INCH LBS |
| Disk Loading Method | SPRING |
| Material | RUBBER SYNTHETIC SEAT |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Maximum Operating Temp | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | PLAIN (PIPE) SECOND END |
| Thread Series Designator | NPT SECOND END |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 636B3 1-4 1-60PSI | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 636B-3-1/4-1 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
NSN 4820-00-498-7296 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 4820-00-498-7296 has 2 cross-referenced part numbers: 636B3 1-4 1-60PSI (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 636B-3-1/4-1 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
There is 1 known substitute for 4820-00-498-7296: 4820-00-990-8850. Verify interchangeability with system specifications before substitution.
Key specifications for 636B-3-1/4-1: Operating Pressure: 3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Thread Size: 0.250 INCHES FIRST END IN; Thread Direction: RIGHT-HAND SECOND END; Style Designator: ANGLE. 18 total characteristics are documented in the Federal Logistics Information System.