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 |
|---|---|
| K0654 | MESSIER DOWTY LTD |
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 |
|---|---|---|
| ACTF | SECOND END SEAT ANGLE IN DEG | 17.0 |
| ACLT | SECOND END STYLE DESIGNATOR | FLARED |
| ADSY | VALVE DISCHARGE FLOW RATE | NOT RATED |
| AAJP | OUTSIDE SURFACE TREATMENT | PAINTED GRAY |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ACMP | SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.188 INCHES NOMINAL |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLH | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.188 INCHES NOMINAL |
| AAQL | BODY STYLE | STRAIGHT THRU |
| AAFZ | BODY MATERIAL | STEEL |
| ACTE | FIRST END SEAT ANGLE IN DEG | 30.0 |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ACKN | FIRST END STYLE DESIGNATOR | IVERTED FLARE |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ABJH | TEMP RATING | NOT RATED |
| ACLK | FIRST END THREAD CLASS | 2A |
| ACMR | SECOND END THREAD CLASS | 2A |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |