Part Number A2256

Engine Valve Seat Insert

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
a2256
Demil:
No
Shelf Life:
UOM:
NIIN:
007521940

Part Information
Counterbored, 30.0 deg, 1.719 in. Dia

NSN
National Stock Number:
2805-00-752-1940 2805007521940
TXT
Description:
Engine Valve Seat Insert
INC
INC
Item Name Code:
42140
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
Between 0.3437 inches and 0.3487 inches
MRC:
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.ADAR
Body Outside Diameter:
Between 2.003 inches and 2.004 inches
MRC:
The length of a straight line which passes through the center of a body,and terminates at the inside circumference.ADAS
Body Inside Diameter:
Between 1.620 inches and 1.630 inches
MRC:
The angle of the end surface upon which the mated surface seats,expressed in degrees.AJSG
Seat Angle In Deg:
1.333
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
38.0 rockwell c body
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
48.0 rockwell c face
MRC:
The physical configuration of the surface of the seat.CQKM
Seating Surface Shape:
Angular
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Plain

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