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 |
|---|---|
| 79067 | APCO/VALVE & PRIMER CORP |
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 |
|---|---|---|
| FEAT | SPECIAL FEATURES | MODIFIED FROM COMMERICAL VALVE BY MATERIAL OF BODY, COVER, COVER BOLTS OF BRONZE, GUIDE STOP SCREW OF SS, HANDLEBAR OF BRONZE (DET 1, 2, 4, 18, 23); FLANGES IAW MIL-F-20042 WHICH DIFFERS FROM THEIR COMMERCIAL VALVES BY DIMENSIONS OF THE O.D., BOLT CIRCLE DIAMETER AND BOLT HOLE;MEETS HIGH SHOCK REQUIREMENTS IAW MIL-S-901D FOR LIGHTWEIGHT, GRADE A, SHOCK-PROOF EQUIPMENT CLASS I, MOUNTING FIXTURE 4C, LOCATION: HULL, ORIENTATION UNRESTRICTED. |
| ADSR | BONNET TYPE | INSIDE SCREW |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 4.000 INCHES ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| AECS | BOLT HOLE QUANTITY | 8 ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.688 INCHES ALL ENDS |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 6.562 INCHES ALL ENDS |
| CQRB | SEAT ANGLE | 45.0 DEGREES 1ST END |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 HANDLE |
| CQGM | MAXIMUM OPERATING PRESSURE | 175.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCK | NOMINAL THICKNESS | 0.938 INCHES ALL ENDS |
| ADSU | DISK LOADING METHOD | WEIGHT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | RUBBER FLAPPER SWING CHECK VALVE WITH BACKFLOW DEVICE |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE AND STEEL FLOW CONTROL DEVICE |