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 |
|---|---|
| 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER |
Federal Supply Class
Title
VALVES, POWERED
Inclusions:
INCLUDES ELECTRIC MOTOR OPERATED VALVES; HYDRAULIC OPERATED VALVES; SOLENOID OPERATED VALVES.
Exclusions:
EXCLUDES ENGINE INTAKE AND EXHAUST VALVES (FSC 2990, 2815); 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 | 0.234 INCHES MINIMUM SECOND STEP AND 0.266 INCHES MAXIMUM SECOND STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.176 INCHES MINIMUM FIRST STEP AND 0.181 INCHES MAXIMUM FIRST STEP |
| CQFM | HARDNESS RATING | NOT RATED |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| AJRM | UNDER FLANGE HEIGHT | 0.297 INCHES MINIMUM AND 0.329 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.807 INCHES MINIMUM THIRD STEP AND 0.817 INCHES MAXIMUM THIRD STEP |
| ABKK | FLANGE DIAMETER | 1.646 INCHES MINIMUM AND 1.688 INCHES MAXIMUM |
| MATT | MATERIAL | PLASTIC POLYAMIDE OVERALL |
| ADAR | BODY OUTSIDE DIAMETER | 1.000 INCHES MINIMUM AND 1.004 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.405 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |