Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , POPPET , ENGINE
Definition:
A MUSHROOM OR TULIP-SHAPED ITEM HAVING A CIRCULAR HEAD WITH A CONICAL FACE AND AN EXTENDED STEM USED TO REGULATE THE FLOW OF INCOMING FUEL-AIR MIXTURE OR AIR INTO THE COMBUSTION CHAMBER OR EXHAUST GASES FROM THE COMBUSTION CHAMBER OF A RECIPROCATING INTERNAL COMBUSTION ENGINE.
CAGE Information
| Code | Company |
|---|---|
| 15434 | CUMMINS INC. |
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 |
|---|---|---|
| ALZB | NECK RADIUS | 0.7900 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 52.0 ROCKWELL C MINIMUM TIP |
| ALYX | STEM STYLE | GROOVED |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ALZE | STEM DIAMETER | 0.4945 INCHES MINIMUM AND 0.4955 INCHES MAXIMUM |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ABKV | OUTSIDE DIAMETER | 2.2150 INCHES MINIMUM AND 2.2250 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT |
| AAVZ | GROOVE DIAMETER | 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM |
| ABGF | GROOVE WIDTH | 0.1320 INCHES MINIMUM AND 0.1420 INCHES MAXIMUM |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.4600 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0100 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.2656 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 30.0 |
| ALZD | STEM LENGTH | 7.2730 INCHES MINIMUM AND 7.2870 INCHES MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |