Part Number
Definition:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.
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 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AECS | BOLT HOLE QUANTITY | 8 1ST END |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
| CWCK | NOMINAL THICKNESS | 2.250 INCHES 1ST END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 1ST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 8.250 INCHES 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.250 INCHES 1ST END |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| CWCF | FACE TO FACE DISTANCE | 4.500 INCHES |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 6.625 INCHES 1ST END |
| CCFG | VALVE SIZE | 3.000 INCHES |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| CWDL | RAISED FACE NOMINAL DIAMETER | 5.000 INCHES 1ST END |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 1ST END |