Part Number
DEMIL
Shelf Life
UOM
NIIN
NSN
National Stock Number:
TXT
Description:
Engine Poppet Valve
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Flat
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.1820 inches and 0.1920 inches
MRC:
The measurement of the chamfer angle,expressed in degrees.AATE
Chamfer Angle In Deg:
45.0
MRC:
The length of a straight line which passes through the center of the groove,and terminates at the circumference.AAVZ
Groove Diameter:
Between 0.3590 inches and 0.3650 inches
MRC:
A measurement of the longest dimension of the chamfer,in distinction from width.AAZP
Chamfer Length:
0.0312 inches
MRC:
A measurement taken at right angles to the length of a groove,in distinction from thickness.ABGF
Groove Width:
Between 0.1560 inches and 0.1660 inches
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.ABKV
Outside Diameter:
Between 1.8390 inches and 1.8490 inches
MRC:
The angle of the end surface upon which the mated surface seats,expressed in degrees.AJFY
Seat Angle In Deg:
45.0
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the stem.ALYX
Stem Style:
Grooved
MRC:
An indication of whether or not a groove for relief of carbon accumulation is included.ALYZ
Carbon Relief Groove:
Not included
Neck Radius:
0.3800 inches
MRC:
A measurement of the longest dimension of a stem,in distinction from width.ALZD
Stem Length:
Between 4.6140 inches and 4.6440 inches
Stem Diameter:
Between 0.4330 inches and 0.4340 inches
Distance From Groove To Stem End:
0.3200 inches
MRC:
The element,compound,or mixture of which the item is fabricated,excluding any surface treatment,and its location.ANNQ
Material And Location:
Cobalt alloy seat face
MRC:
The element,compound,or mixture of which the item is fabricated,excluding any surface treatment,and its location.ANNQ
Material And Location:
Steel head
MRC:
The element,compound,or mixture of which the item is fabricated,excluding any surface treatment,and its location.ANNQ
Material And Location:
Steel stem
MRC:
A numeric value,used in conjunction with a hardness rating scale,designating the metallic hardness rating and its location.ASXJ
Metallic Hardness Rating And Location:
50.0 rockwell c tip
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Gasoline engine aircraft
