NSN 4820-00-839-4313
Part Details | FIRE CHECK VALVE
4820-00-839-4313 A valve which works on a thermostatic principle to stop and extinguish backfire in gas-air pipelines by utilizing the heat generated by the fire to actuate the mechanism which closes the valve. It also contains a swing check on the inlet connection which closes immediately upon shock caused by backfire, shutting off the gas-air mixture. It is designed for installation in a pipeline to feed gas-air mixtures to burners and the like.
Alternate Parts: 177LH, 4820-00-839-4313, 00-839-4313, 4820008394313, 008394313
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1962 | 00-839-4313 | 16997 ( VALVE, FIRE CHECK ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
SWIVEL NUT, FLARE
PLAIN
SWIVEL NUT, FLARE
PLAIN
SWIVEL NUT, FLARE
PLAIN
SWIVEL NUT, FLARE
PLAIN
Cross Reference | NSN 4820-00-839-4313
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 177LH | 81718 | OPW FUELING COMPONENTS INC.DIV OPW FUELING COMPONENTS |
Technical Data | NSN 4820-00-839-4313
| Characteristic | Specifications |
|---|---|
| BODY STYLE | STRAIGHT THRU |
| BODY MATERIAL | BRONZE |
| SEAT MATERIAL | BRONZE |
| FLOW CONTROL DEVICE | P ANY ACCEPTABLE |
| FLOW CONTROL DEVICE MATERIAL | RUBBER, BUNA-N |
| STEM MATERIAL | BRONZE |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| FIRST END STYLE DESIGNATOR | 1 SWIVEL NUT, FLARE |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 2.500 INCHES |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| SECOND END STYLE DESIGNATOR | PLAIN |
| SECOND END NOMINAL PIPE SIZE ACCOMMODATED | 3.000 INCHES |
| SECOND END THREAD DIRECTION | RIGHT-HAND |
| MEDIA FOR WHICH DESIGNED | ANY ACCEPTABLE |
| TEMP RATING | 165.0 DEG FAHRENHEIT |