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 |
|---|---|
| 79172 | SIEMENS WATER TECHNOLOGIES CORP. 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 |
|---|---|---|
| ANNQ | MATERIAL AND LOCATION | STEEL, FED STD 66, SAE HNV4 OVERALL |
| ANNQ | MATERIAL AND LOCATION | STEEL, FED STD 66, SAE HNV4 OVERALL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 60.0 SHORE SCLEROSCOPE MINIMUM TIP |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| AATE | CHAMFER ANGLE IN DEG | 60.0 |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.2415 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM |
| AASK | HEAD STYLE | MUSHROOM |
| ALZN | SECOND GROOVE DIAMETER | 0.2400 INCHES MINIMUM AND 0.2460 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.1808 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.2400 INCHES MINIMUM AND 0.2460 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.9400 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0288 INCHES NOMINAL |
| ALZQ | FIRST GROOVE WIDTH | 0.2127 INCHES MINIMUM AND 0.2217 INCHES MAXIMUM |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.3727 INCHES MINIMUM AND 0.3767 INCHES MAXIMUM |
| ALZB | NECK RADIUS | 0.2500 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.3100 INCHES NOMINAL |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ALZD | STEM LENGTH | 3.4531 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.0615 NOMINAL MILS AND 0.0635 NOMINAL CENTIMETERS |