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 |
|---|---|
| 99517 | VACCO INDUSTRIES DIV VACCO |
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 |
|---|---|---|
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY ASSURANCE TESTING IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE |
| ADSY | VALVE DISCHARGE FLOW RATE | NOT RATED |
| AAQL | BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ABJH | TEMP RATING | NOT RATED |