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 |
|---|---|---|
| CQGM | MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS |
| AHNC | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| TMQY | FURNISHED ITEMS AND QUANTITY | 2 TAILPIECE |
| ADQU | FLOW CONTROL DEVICE | DISK |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | NICKEL ALLOY BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| ADSU | DISK LOADING METHOD | SPRING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY |