The Valve,safety Relief, cataloged under National Stock Number 4820-00-896-4667, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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 | 4820-00-896-4667 |
| Primary Part Number | 75318-61 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls |
| Status | CANCELLED |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Surface Treatment | PASSIVATE LOCATION NOT OTHERWISE SPECIFIED |
| Opening Pressure Setting | 10.0 POUNDS PER SQUARE INCH LBS |
| Operating Pressure | 10.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE LBS |
| Material | STEEL CORROSION RESISTING BODY |
| Style Designator | ANGLE |
| Adjustable Pressure Range | +10.0 TO 80.0 POUNDS PER SQUARE INCH LBS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Thread Series Designator | UNF SECOND END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Connection Style | GASKET SEAL(BOSS) ALL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Flow Control Device | PISTON |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Disk Loading Method | SPRING |
| Operating Pressure | 80.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Thread Series Designator | UNF FIRST END |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Valve Operation Method | AUTOMATIC |
| Maximum Operating Temp | 50.0 CELSIUS SINGLE RESPONSE DEGC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 75318-6 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 3169990 | Naval Sea Systems Command (USA) |
| 75318-61 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls (USA) |
| S214 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
NSN 4820-00-896-4667 is a Valve,safety Relief, manufactured by Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-896-4667 has 4 cross-referenced part numbers: 75318-6 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 3169990 (Naval Sea Systems Command), 75318-61 (Curtiss-Wright Flow Control Corporation Dba Sprague Products Div Curtiss-Wright Flow Controls), S214 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit).
There are 7 known substitutes for 4820-00-896-4667: 9540-00-227-8841, 5999-00-400-3099, 5306-00-426-2947 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 75318-61: Nominal Thread Size: 0.438 INCHES SECOND END IN; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN; Surface Treatment: PASSIVATE LOCATION NOT OTHERWISE SPECIFIED; Opening Pressure Setting: 10.0 POUNDS PER SQUARE INCH LBS. 26 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-896-4667 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.