Part Number A890

Engine Poppet Valve

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
a890
Demil:
No
Shelf Life:
UOM:
NIIN:
003541694
NSN
National Stock Number:
2805-00-354-1694 2805003541694
TXT
Description:
Engine Poppet Valve
INC
INC
Item Name Code:
15884
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:
0.0938 inches
MRC:
The measurement of the chamfer angle,expressed in degrees.AATE
Chamfer Angle In Deg:
45.0
MRC:
A measurement of the longest dimension of the chamfer,in distinction from width.AAZP
Chamfer Length:
0.0313 inches
MRC:
The distance,measured along a straight line perpendicular to the longitudinal axis of the slot,from one edge to the other.ABGC
Slot Width:
0.1600 inches
MRC:
A measurement of the longest dimension of the slot,in distinction from width.ABGD
Slot Length:
0.3440 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:
2.0000 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:
Slotted
MRC:
An indication of whether or not a groove for relief of carbon accumulation is included.ALYZ
Carbon Relief Groove:
Included
MRC:
None.ALZB
Neck Radius:
0.4375 inches
MRC:
A measurement of the longest dimension of a stem,in distinction from width.ALZD
Stem Length:
6.1250 inches
MRC:
None.ALZE
Stem Diameter:
0.3720 inches
MRC:
None.ALZT
Distance From Slot To Stem End:
0.1940 inches
MRC:
None.ALZX
Slot Radius:
0.0800 inches
MRC:
The element,compound,or mixture of which the item is fabricated,excluding any surface treatment,and its location.ANNQ
Material And Location:
Steel
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:
40.0 rockwell c stem err-100 and 45.0 rockwell c stem err-100

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