NSN 4820-00-620-5475
Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-00-620-5475 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: P72495, P7-249-5, 568175, 4820-00-620-5475, 00-620-5475, 4820006205475, 006205475
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-620-5475 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
REFERENCE DRAWINGS & PICTURES
SINGLE CONNECTION, STRAIGHT FLOW
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Cross Reference | NSN 4820-00-620-5475
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P7-249-5 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
| 568175 | 57733 | STEWART-WARNER CORPORATION |
Technical Data | NSN 4820-00-620-5475
| Characteristic | Specifications |
|---|---|
| BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |
| BODY MATERIAL | ALUMINUM ALLOY |
| OUTSIDE SURFACE TREATMENT | ANODIZED |
| FLOW CONTROL DEVICE | N ANY ACCEPTABLE |
| FLOW CONTROL DEVICE MATERIAL | ALUMINUM ALLOY |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS |
| FIRST END STYLE DESIGNATOR | PLAIN |
| FIRST END THREAD CLASS | 2A |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| MAXIMUM OPERATING PRESSURE | 5.0 POUNDS PER SQUARE INCH |
| MEDIA FOR WHICH DESIGNED | AIR |
| TEMP RATING | -65.0 DEG CELSIUS AND 85.0 DEG CELSIUS |
| OPENING PRESSURE SETTING | 2.0 POUNDS PER SQUARE INCH |
| VALVE VENTING DESIGN TYPE | CLOSED SYSTEM |
| DISK LOADING METHOD | SPRING |