Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , SAFETY RELIEF
Definition:
A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
CAGE Information
| Code | Company |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
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 |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END |
| CQCY | ADJUSTABLE PRESSURE RANGE | +119.0/+143.0 POUNDS PER SQUARE INCH |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| MATT | MATERIAL | STEEL COMP 304 STEM |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING ERR-100 |
| MATT | MATERIAL | COPPER ALLOY 360 FLOW CONTROL DEVICE |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-V-22549 GOVERNMENT SPECIFICATION |
| ADQU | FLOW CONTROL DEVICE | DISK |
| MATT | MATERIAL | STEEL COMP 304 SEAT |
| STYL | STYLE DESIGNATOR | ERR-090 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 1ST END |
| AGAV | END ITEM IDENTIFICATION | FORRESTAL CLASS CV |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1/2 SIZE |
| ADSU | DISK LOADING METHOD | SPRING |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 165.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 440.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | COPPER ALLOY 922 BODY |