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 |
|---|---|
| 81755 | LOCKHEED MARTIN CORPORATION DBA LOCK |
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 |
|---|---|---|
| AEHZ | MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 260.0 DEG FAHRENHEIT 2ND RESPONSE |
| AAJD | THREAD CLASS | 3A ALL ENDS |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| SFTT | SURFACE TREATMENT | ANODIZE |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| MEDA | MEDIA FOR WHICH DESIGNED | ALCOHOL, ETHYL 2ND RESPONSE |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH 1ST RESPONSE |
| FEAT | SPECIAL FEATURES | THE END CONNECTION IDENTIFIEDABOVE AS THE SECOND END IS THE VALVE INLET |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CQGM | MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |