Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , DIAPHRAGM , STOP
Definition:
A VALVE DESIGNED SPECIFICALLY SO THE DIAPHRAGM SEALS THE FLOW STREAM FROM THE VALVE OPERATING MECHANISM. THE FLOW IS CONTROLLED BY THE LIFTING OF THE DIAPHRAGM FROM OR COMPRESSING IT AGAINST AN INTEGRAL SEAT. FOR PACKLESS DIAPHRAGM VALVES WHICH UTILIZE A DIAPHRAGM AS PACKING AND A DISK TO CONTROL THE FLOW, SEE VALVE, Y.
CAGE Information
| Code | Company |
|---|---|
| 43999 | BOEING COMPANY THE DBA BOEING DIV DE |
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 |
|---|---|---|
| AQLR | VALVE OPERATION METHOD | HYDRAULIC |
| CRLJ | OPERATING TIME IN SECONDS (NON-CORE) | 2.000 NOMINAL |
| CQCN | POWER DRIVE OPERATING PRESSURE | 55.0 POUNDS PER SQUARE INCH NOMINAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 55.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJD | THREAD CLASS | 3B 1ST END |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| AHNC | CONNECTION STYLE | ERR-090 1ST END |
| AZGM | MOUNTING FACILITY | THREADED FASTENER |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 20 1ST END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END |