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 |
|---|---|
| 31923 | TODD COMBUSTION INC |
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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 303 SEAT |
| MATT | MATERIAL | STEEL COMP 303 SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI 416/SAE 51416 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| CMLP | THREAD QUANTITY PER INCH | 12 ALL ENDS |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.250 INCHES 1ST END |
| AAJD | THREAD CLASS | 2A ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| MATT | MATERIAL | STEEL COMP 416 FLOW CONTROL DEVICE |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| CQJX | NOMINAL THREAD SIZE | 1.750 INCHES ALL ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66, AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE BODY |
| THSD | THREAD SERIES DESIGNATOR | UN ALL ENDS |
| MATT | MATERIAL | STEEL COMP 303 BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE SEAT |