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 |
|---|---|
| 1ML14 | D.W. HERCULES LLC DBA HERCULES ENGIN |
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 |
|---|---|---|
| AAZP | CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM |
| ALZS | THIRD GROOVE WIDTH | 0.1000 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| ALZQ | FIRST GROOVE WIDTH | 0.1000 INCHES NOMINAL |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| ADNA | MINOR OUTSIDE DIAMETER | 0.4320 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM |
| ALZP | THIRD GROOVE DIAMETER | 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL AMS 5682A HEAD |
| ANNQ | MATERIAL AND LOCATION | STEEL, NO. 26, EATON, YALE AND TOWNE INC STEM |
| ALZB | NECK RADIUS | 0.8750 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZE | STEM DIAMETER | 0.5270 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM |
| ABGK | TAPER ANGLE IN DEG | 15.0 |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.2555 INCHES MINIMUM AND 0.2605 INCHES MAXIMUM |
| AGRA | MINOR DIAMETER LENGTH | 0.5160 INCHES MINIMUM AND 0.5230 INCHES MAXIMUM |
| ALZK | DISTANCE FROM THIRD GROOVE TO STEM END | 0.4160 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 29.0 |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 50.0 ROCKWELL C MINIMUM TIP |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE |
| ALYX | STEM STYLE | TAPERED MULTI-GROOVED |
| ALZD | STEM LENGTH | 5.8460 INCHES MINIMUM AND 5.8810 INCHES MAXIMUM |
| ALZR | SECOND GROOVE WIDTH | 0.1000 NOMINAL INCHES |
| ALZN | SECOND GROOVE DIAMETER | 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM |
| AASK | HEAD STYLE | INVERTED CONE |
| ABKV | OUTSIDE DIAMETER | 2.7400 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |