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 |
|---|---|
| 91816 | CIRCOR AEROSPACE INC. DBA CIRCLE SEA |
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 |
|---|---|---|
| THSD | THREAD SERIES DESIGNATOR | UNJ ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |
| SUPP | SUPPLEMENTARY FEATURES | APPL TO F-16D BLK40/60 |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END |
| AAJD | THREAD CLASS | 3A 1ST END |
| SFTT | SURFACE TREATMENT | ANODIZE |
| CQGM | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| AEQJ | MINIMUM OPERATING TEMP | -70.0 DEG FAHRENHEIT |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| CMLP | THREAD QUANTITY PER INCH | 20 ALL ENDS |
| AAJD | THREAD CLASS | 3B 2ND END |
| AHNC | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/3, ALLOY 2024, T4 FED SPEC 1ST MATERIAL RESPONSE BODY AND QQ-A-225/8, ALLOY 6061, T651 FED SPEC 2ND MATERIAL RESPONSE BODY |
| FEAT | SPECIAL FEATURES | FIFTH SURFACE TREATMENT: SILICONE, MINUS 480 DEG F TO PLUS 480 DEG F FOR AIR, C02, 02, N2 APPLICATIONS |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE |