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 |
|---|---|
| 03950 | NAVAL INVENTORY CONTROL POINT MECHAN |
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 |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| MATT | MATERIAL | NICKEL ALLOY 400 STEM OR NICKEL ALLOY R-405 STEM |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING ERR-100 |
| ADQU | FLOW CONTROL DEVICE | DISK |
| STYL | STYLE DESIGNATOR | ERR-090 |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEM; ALSO REQUIRES SPECIAL CLEANING AND PACKAGING FOR OXYGEN AND NITROGEN SERVICE |
| ADSU | DISK LOADING METHOD | SPRING |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 1ST END |
| MATT | MATERIAL | NICKEL ALLOY 400 SEAT OR NICKEL ALLOY R-405 SEAT |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END |
| CQCY | ADJUSTABLE PRESSURE RANGE | +15.0/+18.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY 922 BODY |