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 |
|---|---|
| K5557 | FORD POWER PRODUCTS |
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 |
|---|---|---|
| ALYX | STEM STYLE | GROOVED |
| ALYX | STEM STYLE | GROOVED |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ALZD | STEM LENGTH | 6.0415 INCHES MINIMUM AND 6.0525 INCHES MAXIMUM |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| AASU | HEAD HEIGHT | 0.1110 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.5330 INCHES MINIMUM AND 1.5430 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT |
| AAVZ | GROOVE DIAMETER | 0.2760 INCHES MINIMUM AND 0.2790 INCHES MAXIMUM |
| ALZE | STEM DIAMETER | 0.3723 INCHES MINIMUM AND 0.3733 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 29.5 |
| ALZB | NECK RADIUS | 0.3200 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.2350 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.2195 INCHES MINIMUM AND 0.2205 INCHES MAXIMUM |
| AAZP | CHAMFER LENGTH | 0.0200 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 55.0 ROCKWELL C MINIMUM OVERALL |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |