Part Number
Part Number:
NSN:
NIIN:
Item Name:
SEAT , VALVE
Definition:
A REPLACEABLE ITEM DESIGNED TO PROVIDE A STATIONARY SEATING SURFACE FOR A MATING, MOVEABLE ITEM SUCH AS A VALVE DISK OR THE LIKE. THE BODY MAY HAVE A FLANGE OF VARIOUS SHAPES. FOR DIESEL AND GASOLINE RECIPROCATING ENGINES, SEE INSERT, ENGINE VALVE SEAT.
CAGE Information
| Code | Company |
|---|---|
| 14959 | CRANE CO DIV VALVE DIV |
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 |
|---|---|---|
| CQKW | BODY STEPPED INSIDE DIAMETER | 3.000 INCHES NOMINAL SECOND STEP |
| CQJX | NOMINAL THREAD SIZE | 3.500 INCHES SINGLE THREADED PORTION |
| AJRM | UNDER FLANGE HEIGHT | 0.843 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | STM A351,GR.CF-8M ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| CQKW | BODY STEPPED INSIDE DIAMETER | 2.500 INCHES NOMINAL FIRST STEP |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| ABKK | FLANGE DIAMETER | 3.913 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.490 INCHES MINIMUM AND 0.708 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.650 INCHES NOMINAL SINGLE THREADED PORTION |