NSN 4820-01-257-1495
Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-01-257-1495 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: TA77050C50CR, TA770-50C-50C-R, 114505401, 11450540-1, 11450540, 4820-01-257-1495, 01-257-1495, 4820012571495, 012571495
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 12, 1987 | 01-257-1495 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
REFERENCE DRAWINGS & PICTURES
SINGLE CONNECTION, STRAIGHT FLOW
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Cross Reference | NSN 4820-01-257-1495
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| TA770-50C-50C-R | 08992 | AGM CONTAINER CONTROLS INC.DBA A G M |
| 11450540-1 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
| 11450540 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 4820-01-257-1495
| Characteristic | Specifications |
|---|---|
| BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |
| BODY MATERIAL | ALUMINUM ALLOY |
| FLOW CONTROL DEVICE | ANY ACCEPTABLE |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| FIRST END STYLE DESIGNATOR | PLAIN |
| FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 2.050 INCHES NOMINAL |
| FIRST END THREAD CLASS | 2A |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| MEDIA FOR WHICH DESIGNED | AIR AND NITROGEN, GASEOUS |
| TEMP RATING | 160.0 DEG FAHRENHEIT |
| VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM |