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
DIESEL ENGINES AND COMPONENTS
Inclusions:
INCLUDES AUTOMOTIVE, INDUSTRIAL, MARINE, LOCOMOTIVE, AND ALL OTHER TYPES OF DIESEL AND SEMI-DIESEL ENGINES.
Exclusions:
EXCLUDES ENGINES ACCESSORIES (FSC 2990).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| ADAS | BODY INSIDE DIAMETER | 1.555 INCHES MINIMUM AND 1.569 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | PLAIN |
| ABKW | OVERALL HEIGHT | 0.363 INCHES MINIMUM AND 0.367 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| AJSG | SEAT ANGLE IN DEG | 0.500 MINIMUM AND 0.750 MAXIMUM |
| CQFM | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM BODY |
| CQFM | HARDNESS RATING | 42.0 ROCKWELL C MAXIMUM FACE |
| ADAR | BODY OUTSIDE DIAMETER | 1.812 INCHES NOMINAL |