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 |
|---|---|
| 31033 | TRW INC TRW INTL TRADE GOVERNMENT SA |
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 |
|---|---|---|
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQFM | HARDNESS RATING | 48.0 ROCKWELL C MAXIMUM FACE |
| STYL | STYLE DESIGNATOR | PLAIN |
| MATT | MATERIAL | STEEL OVERALL |
| ABKW | OVERALL HEIGHT | 0.218 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM BODY |
| ADAR | BODY OUTSIDE DIAMETER | 1.503 INCHES MINIMUM AND 1.504 INCHES MAXIMUM |
| AJSG | SEAT ANGLE IN DEG | 0.750 NOMINAL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| ADAS | BODY INSIDE DIAMETER | 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM |