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 |
|---|---|
| 21269 | ESSEX ELECTRO ENGINEERS INC. |
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 |
|---|---|---|
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES 2ND END |
| THSD | THREAD SERIES DESIGNATOR | UNF 2ND END |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 1ST END |
| CQRB | SEAT ANGLE | 20.0 DEGREES 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.125 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| ADQU | FLOW CONTROL DEVICE | BALL |
| AAJD | THREAD CLASS | 2A 2ND END |