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 |
|---|---|---|
| AHNC | CONNECTION STYLE | INVERTED FLARE (TUBE) 1ST END |
| AHNC | CONNECTION STYLE | INVERTED FLARE (TUBE) 1ST END |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| CMLP | THREAD QUANTITY PER INCH | 18 1ST END |
| AAJD | THREAD CLASS | 3A 1ST END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 2ND END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 18 2ND END |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| CQRB | SEAT ANGLE | 30.0 DEGREES 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 2ND END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.312 INCHES 1ST END |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |