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 |
|---|---|
| 76243 | MC DONALD A Y MFG CO |
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 |
|---|---|---|
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADSR | BONNET TYPE | INSIDE SPRING |
| MATT | MATERIAL | COPPER ALLOY STEM |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ADQU | FLOW CONTROL DEVICE | DISK |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | RUBBER FLOW CONTROL DEVICE |
| STYL | STYLE DESIGNATOR | ERR-090 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH |
| ADSU | DISK LOADING METHOD | SPRING |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |