Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , RELIEF , PRESSURE AND TEMPER
Definition:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.
CAGE Information
| Code | Company |
|---|---|
| 91816 | CIRCOR AEROSPACE INC. DBA CIRCLE SEA |
Federal Supply Class
Title
VALVES, NONPOWERED
Inclusions:
INCLUDES AUTOMATIC NONPOWERED VALVES; GATE, GLOBE, ANGLE, CHECK, AND RELIEF VALVES; COCKS.
Exclusions:
EXCLUDES FIRE HYDRANTS (FSC 4210); SPRINKLER HEADS (FSC 4210); VALVES SPECIFICALLY DESIGNED FOR USE WITH FIRE FIGHTING EQUIPMENT (FSC 4210); PLUMBING EQUIPMENT, AND THE LIKE (FSC 4540).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| FEAT | SPECIAL FEATURES | RAISED FACE SLOTTED EIGHT PLACES |
| FEAT | SPECIAL FEATURES | RAISED FACE SLOTTED EIGHT PLACES |
| ACKN | FIRST END STYLE DESIGNATOR | GASKET SEAL |
| ADSY | VALVE DISCHARGE FLOW RATE | NOT RATED |
| ABJH | TEMP RATING | -70.0 DEG FAHRENHEIT |
| ACKL | MEDIA FOR WHICH DESIGNED | AIR OR NITROGEN, GASEOUS |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.312-24 UNF |
| ACMD | SECOND END WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| ACLS | SECOND END CONNECTION TYPE | RAISED FACE FLANGE |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ACLY | SECOND END FLANGE SHAPE STYLE | HEXAGON |
| ABJH | TEMP RATING | 500.0 DEG FAHRENHEIT |
| ACLZ | SECOND END FLANGE THICKNESS | 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLT | SECOND END STYLE DESIGNATOR | PLAIN |
| ACLV | SECOND END RAISED FACE DIAMETER | 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL GAS CYLINDER |
| AAFZ | BODY MATERIAL | STEEL,STAINLESS,TYPE 303 |