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 |
|---|---|
| 77220 | DANA CORP ENGINE PRODUCTS 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 |
|---|---|---|
| AAZP | CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| ABGD | SLOT LENGTH | 0.3910 INCHES MINIMUM AND 0.3990 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 60.0 |
| ALZX | SLOT RADIUS | 0.0937 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL, FED STD 66, AISI/SAE 3140 OVERALL |
| ALZT | DISTANCE FROM SLOT TO STEM END | 0.2500 INCHES NOMINAL |
| ALZD | STEM LENGTH | 8.8282 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ABGC | SLOT WIDTH | 0.1880 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.4325 INCHES MINIMUM AND 2.4425 INCHES MAXIMUM |
| ALYX | STEM STYLE | SLOTTED |
| AASU | HEAD HEIGHT | 0.2812 INCHES NOMINAL |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE |
| ALZB | NECK RADIUS | 0.5625 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.4970 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM |
| AASK | HEAD STYLE | CONCAVE |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 50.0 SHORE SCLEROSCOPE LOWER BRACKET MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |