Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , SEATLESS
Definition:
A VALVE THAT CONTROLS FLOW BY A CYLINDRICAL PISTON SLIDING VERTICALLY THROUGH PACKING RINGS SEPARATED BY A METAL CAGE HAVING PORTS THROUGH WHICH FLOW MAY PROCEED WHEN THE VALVE IS OPEN. ROTATION OF THE THREADED STEM IS USED TO REGULATE THE POSITION OF THE PISTON. SEE ALSO VALVE, PLUG AND VALVE, WEIGHTED CONTROL, PISTON.
CAGE Information
| Code | Company |
|---|---|
| 18876 | U S ARMY AVIATION AND MISSILE COMMAN |
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 |
|---|---|---|
| MEDA | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, SILICATE-ESTER BASE SINGLE RESPONSE |
| CBBL | FEATURES PROVIDED | BONNET PACKING |
| ADSR | BONNET TYPE | INSIDE SCREW |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| STYL | STYLE DESIGNATOR | ERR-090 |
| ADST | BONNET ATTACHMENT METHOD | INTEGRAL |
| CRKP | STEM TYPE | RISING |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| MATT | MATERIAL | STEEL OVERALL |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | PISTON |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| CMLP | THREAD QUANTITY PER INCH | 18 ALL ENDS |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |