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 |
|---|---|
| 57574 | VELAN VALVE CORPORATION DIV VELAN VA |
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 | UNTHREADED INTERNAL TUBE 1ST END |
| SFTT | SURFACE TREATMENT | PHOSPHATE |
| MATT | MATERIAL | STEEL CORROSION RESISTING SEAT |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 2ND END |
| AHNC | CONNECTION STYLE | REDUCED SOCKET (TUBE) 1ST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CWDL | RAISED FACE NOMINAL DIAMETER | 2.000 INCHES 2ND END |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| MATT | MATERIAL | STEEL CORROSION RESISTING STEM |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| FEAT | SPECIAL FEATURES | PISTON CHECK VALVE TYPE,PISTON CHECK DISC FULLY GUIDED IN BODY |
| CQGM | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 3.500 INCHES 2ND END |
| MATT | MATERIAL | STEEL BODY |
| CWCK | NOMINAL THICKNESS | 0.938 INCHES 2ND END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.687 INCHES 2ND END |
| ADQU | FLOW CONTROL DEVICE | PISTON |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.250 INCHES 2ND END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.320 INCHES 1ST END |
| AECS | BOLT HOLE QUANTITY | 4 2ND END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.875 INCHES 2ND END |
| MATT | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 2ND END |
| AWLS | CONNECTION TYPE | FLANGE 2ND END |