Part Number
Part Number:
NSN:
NIIN:
Item Name:
BALL , CHECK
Definition:
A SPHERICAL SHAPED DEVICE THAT MAY BE OF SOLID OR HOLLOW CONSTRUCTION. IT IS DESIGNED TO SEAT IN AN OPENING THEREBY PREVENTING THE PASSAGE OF FLUID. IT MAY BE USED WITH A SPRING ENABLING THE BALL TO BECOME UNSEATED AT A PREDETERMINED PRESSURE AS EXERTED BY THE FLUID FLOW AND TO BECOME RESEATED IN THE ABSENCE OF FLUID PRESSURE. FOR VALVE BALLS THAT INCLUDE PORTS SEE BALL, VALVE, PORTED.
CAGE Information
| Code | Company |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
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 |
|---|---|---|
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING, TESTING SPECIFICATIONS. CLEANED IAW MIL-STD-1330C. |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| CXBX | VALVE SIZE FOR WHICH DESIGNED | 0.500 INCHES |
| CYDY | VALVE MODEL NUMBER FOR WHICH DESIGNED | 6405342 ASSY 95 |
| CFCH | SPHERICAL DIAMETER | 1.060 INCHES NOMINAL |
| CYDX | VALVE DESIGN CONTROL ACTIVITY | 53711 |
| AGAV | END ITEM IDENTIFICATION | 4820-01-522-4207 BALL VALVE |
| FEAT | SPECIAL FEATURES | THIS IS BOTH THE BALL AND SEAT RING; MATERIALS: TITANIUM AND NYLATRON |