NSN 4820-01-078-4789
Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-01-078-4789 A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.
Alternate Parts: 750RP7.5, 750-RP-7.5, SMC7741352, SM-C-774135-2, SMC774135, SM-C-774135, 4820-01-078-4789, 01-078-4789, 4820010784789, 010784789
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 14, 1979 | 01-078-4789 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
PLAIN
PLAIN
PLAIN
Cross Reference | NSN 4820-01-078-4789
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 750-RP-7.5 | 98021 | HALKEY-ROBERTS CORPORATION |
| SM-C-774135-2 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
| SM-C-774135 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 4820-01-078-4789
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3 |
| FLOW CONTROL DEVICE | W ANY ACCEPTABLE |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| FIRST END STYLE DESIGNATOR | PLAIN |
| FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES NOMINAL |
| FIRST END THREAD CLASS | 3A |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| TEMP RATING | -65.0 DEG FAHRENHEIT AND 180.0 DEG FAHRENHEIT |
| OPENING PRESSURE SETTING | 7.5 POUNDS PER SQUARE INCH |