NSN 4820-00-612-3875
Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-00-612-3875 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: 6341311, 634131-1, 6801007, 6801-007, 57231, 572-31, 12602B, 12602B1, 12602-B1, 4820-00-612-3875, 00-612-3875, 4820006123875, 006123875
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-612-3875 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
REFERENCE DRAWINGS & PICTURES
SINGLE CONNECTION, STRAIGHT FLOW
FLARED
FLARED
FLARED
FLARED
Cross Reference | NSN 4820-00-612-3875
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 634131-1 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
| 6801-007 | 91561 | PARKER HANNIFIN CORPORATIONDBA QUICK COUPLING DIV DIV QUICK |
| 572-31 | 91561 | PARKER HANNIFIN CORPORATIONDBA QUICK COUPLING DIV DIV QUICK |
| 12602B | 91561 | PARKER HANNIFIN CORPORATIONDBA QUICK COUPLING DIV DIV QUICK |
| 12602-B1 | 91561 | PARKER HANNIFIN CORPORATIONDBA QUICK COUPLING DIV DIV QUICK |
Technical Data | NSN 4820-00-612-3875
| Characteristic | Specifications |
|---|---|
| BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |
| BODY MATERIAL | ALUMINUM ALLOY, QQ-A-225/5, ALLOY 2017, T4 |
| OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625 |
| FLOW CONTROL DEVICE | W ANY ACCEPTABLE |
| FLOW CONTROL DEVICE MATERIAL | ALUMINUM ALLOY, QQ-A-225/5, ALLOY 2017, T4 |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| FIRST END STYLE DESIGNATOR | FLARED |
| FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.000 INCHES NOMINAL |
| FIRST END THREAD CLASS | 3A |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| FIRST END SEAT RADIUS | 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| MEDIA FOR WHICH DESIGNED | AIR AND HYDROCARBON FUELS AND OILS |
| TEMP RATING | -70.0 DEG FAHRENHEIT AND 165.0 DEG FAHRENHEIT |
| VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM |
| DISK LOADING METHOD | SPRING |
| SPECIAL FEATURES | ADJUSTING SCREW-RING W/SPANNER WRENCH SLOT AT END OF VALVE 3.38 IN. L O/L COMPLETELY CLOSED,3.75 IN. L O/A COMPLETELY OPEN |