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National Stock Number (NSN) Output Data

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.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
S749I309 14351 F 3 9 X SE

CAGE Information

Code Company
14351 TELEDYNE CONTINENTAL MOTORS INDUSTRI

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
ABKV OUTSIDE DIAMETER 2.1360 INCHES MINIMUM AND 2.1460 INCHES MAXIMUM
ABKV OUTSIDE DIAMETER 2.1360 INCHES MINIMUM AND 2.1460 INCHES MAXIMUM
ALZN SECOND GROOVE DIAMETER 0.4550 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM
ALZL FIRST GROOVE DIAMETER 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM
ALZR SECOND GROOVE WIDTH 0.0350 NOMINAL MILS AND 0.0400 NOMINAL CENTIMETERS
ALZB NECK RADIUS 0.3750 INCHES NOMINAL
ANNQ MATERIAL AND LOCATION STEEL, FED STD 66, SAE VF2 SEAT FACE
ALZD STEM LENGTH 7.0795 INCHES MINIMUM AND 7.0945 INCHES MAXIMUM
ALZJ DISTANCE FROM SECOND GROOVE TO STEM END 0.6370 INCHES MINIMUM AND 0.7860 INCHES MAXIMUM
ALYZ CARBON RELIEF GROOVE NOT INCLUDED
ANNQ MATERIAL AND LOCATION STEEL STEM
AASK HEAD STYLE MUSHROOM
AATE CHAMFER ANGLE IN DEG 30.0
ZZZV FSC APPLICATION DATA GASOLINE ENGINE
ASXJ METALLIC HARDNESS RATING AND LOCATION 54.0 ROCKWELL C MINIMUM TIP
ANNQ MATERIAL AND LOCATION SODIUM INTERNAL FILLING
AJFY SEAT ANGLE IN DEG 46.0
AASU HEAD HEIGHT 0.2740 INCHES MINIMUM AND 0.2840 INCHES MAXIMUM
ALZH DISTANCE FROM FIRST GROOVE TO STEM END 0.4380 INCHES MINIMUM AND 0.4680 INCHES MAXIMUM
ANNQ MATERIAL AND LOCATION STEEL HEAD
ALYX STEM STYLE DOUBLE GROOVED
ALZQ FIRST GROOVE WIDTH 0.0500 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM
AAZP CHAMFER LENGTH 0.0060 INCHES NOMINAL
ALZE STEM DIAMETER 0.4880 INCHES MINIMUM AND 0.4930 INCHES MAXIMUM

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S749I309 , S749I309 , 2805-00-333-6253 , 2805003336253 , 003336253 , S749I309 ,