Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , RESTRICTOR CHECK
Definition:
A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.
CAGE Information
| Code | Company |
|---|---|
| 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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 |
|---|---|---|
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES 2ND END |
| THSD | THREAD SERIES DESIGNATOR | UNF 2ND END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| MATT | MATERIAL | ALUMINUM ALLOY 518.0 BODY |
| THSD | THREAD SERIES DESIGNATOR | UNJF 1ST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| ABVL | APERTURE DIAMETER | 0.032 INCHES NOMINAL |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| MATT | MATERIAL | ALUMINUM ALLOY 518.0 SEAT |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| FEAT | SPECIAL FEATURES | THE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJD | THREAD CLASS | 3B 1ST END |
| AAJD | THREAD CLASS | 3A 2ND END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END |
| AEHZ | MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 20 1ST END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END |