Part Number
Part Number:
NSN:
NIIN:
Item Name:
INSERT , ENGINE VALVE SEAT
Definition:
A METAL RING DESIGNED TO PROVIDE A SEATING SURFACE FOR A VALVE, POPPET, ENGINE IT IS MADE OF SPECIAL HIGH-GRADE ALLOY METAL THAT CAN WITHSTAND HIGH OPERATING TEMPERATURES. FOR FULID VALVES, SEE SEAT, VALVE.
CAGE Information
| Code | Company |
|---|---|
| 92856 | EATON CORP ENGINE COMPONENTS DIV |
Federal Supply Class
Title
GASOLINE RECIPROCATING ENGINES,
Inclusions:
INCLUDES GAS RECIPROCATING ENGINES; ALL GASOLINE RECIPROCATING ENGINES EXCEPT AIRCRAFT PRIME MOVING.
Exclusions:
EXCLUDES ENGINE ACCESSORIES (FSC 2990).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AJSG | SEAT ANGLE IN DEG | 1.333 NOMINAL |
| FEAT | SPECIAL FEATURES | COUNTERBORED,30.0 DEG,1.719 IN. DIA |
| ADAS | BODY INSIDE DIAMETER | 1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQFM | HARDNESS RATING | 48.0 ROCKWELL C MAXIMUM FACE |
| ABKW | OVERALL HEIGHT | 0.3437 INCHES MINIMUM AND 0.3487 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | PLAIN |
| MATT | MATERIAL | STEEL OVERALL |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM BODY |
| ADAR | BODY OUTSIDE DIAMETER | 2.003 INCHES MINIMUM AND 2.004 INCHES MAXIMUM |