Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , CHECK
Definition:
A VALVE PERMITTING FLOW IN ONE DIRECTION ONLY. IT DOES NOT HAVE A STEM, EXCEPT WHEN EQUIPPED WITH A LEVER AND WEIGHT AND HAS NO PRESSURE ADJUSTMENT. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN.
CAGE Information
| Code | Company |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
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 |
|---|---|---|
| CWCK | NOMINAL THICKNESS | 0.688 INCHES ALL ENDS |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CCFG | VALVE SIZE | 1.000 INCHES |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| CWCF | FACE TO FACE DISTANCE | 8.000 INCHES |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | STEEL OVERALL |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 3.500 INCHES ALL ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A351, GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS |
| ADSU | DISK LOADING METHOD | WEIGHT |
| AECS | BOLT HOLE QUANTITY | 4 ALL ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.875 INCHES ALL ENDS |