Part Number 218020208

Valve Seat

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
218020208
Demil:
No
Shelf Life:
UOM:
NIIN:
014420424

Part Information
A/k/a seat upper

NSN
National Stock Number:
4820-01-442-0424 4820014420424
TXT
Description:
Valve Seat
INC
INC
Item Name Code:
22113
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3a single threaded portion
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
0.650 inches single threaded portion
MRC:
The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK
Flange Diameter:
5.750 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:
5.360 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:
4.625 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Seawolf class ssn
MRC:
None.AJRF
Flange Seat To Disk End Height:
0.600 inches
MRC:
None.AJRM
Under Flange Height:
0.775 inches
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
12 single threaded portion
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
115.0 rockwell r seat
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
5.500 inches single threaded portion
MRC:
The physical configuration of the surface of the seat.CQKM
Seating Surface Shape:
Flat
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Plastic polytetrafluoroethylene seat
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Plain flanged
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
Un single threaded portion

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