Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , STOP-CHECK
Definition:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.
CAGE Information
| Code | Company |
|---|---|
| K4556 | BRITISH AEROSPACE DEFENCE SYSTEMS LT |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END |
| ADSR | BONNET TYPE | INSIDE SPRING |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 1ST END |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| AHNC | CONNECTION STYLE | SWIVEL NUT, INVERTED FLARE (PIPE) 2ND END |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| SUPP | SUPPLEMENTARY FEATURES | FLOW CONTROL DEVICE: STEM |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| MATT | MATERIAL | STEEL OVERALL AND STEEL COMP 630 OVERALL |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 2ND END |
| ADST | BONNET ATTACHMENT METHOD | THREADED |