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 |
|---|---|
| 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS |
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 |
|---|---|---|
| ADSR | BONNET TYPE | INSIDE SCREW |
| ADSR | BONNET TYPE | INSIDE SCREW |
| CBBL | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND BONNET PACKING |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| 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 |
| ADQU | FLOW CONTROL DEVICE | PISTON |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |