Part Number 663681

Valve Seat
Stock Availability  condition code chart

Part number 663681 is in stock in the following quantities and conditions.

  • OH: 1
  • NS: 70
  • NE: 12
  • SV: 1
  • AR: 1

Note: Availability of this item was last updated 10/24/2023 and may have changed since then. Request a quote for up to date pricing and availability.

Pricing & Availability

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
663681
Demil:
No
Shelf Life:
UOM:
NIIN:
008381326

Part Information
Six 0.165 in. Min, 0.175 in. Maximum diameter holes through flange on 0.906 in. Bolt circle dia

NSN
National Stock Number:
4820-00-838-1326 4820008381326
TXT
Description:
Valve Seat
INC
INC
Item Name Code:
22113
MRC:
The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK
Flange Diameter:
Between 1.140 inches and 1.160 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 0.535 inches and 0.545 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 0.315 inches and 0.328 inches
MRC:
None.AJRF
Flange Seat To Disk End Height:
Between 0.040 inches and 0.050 inches
MRC:
None.AJRM
Under Flange Height:
Between 0.575 inches and 0.585 inches
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
40.0 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:
47.0 rockwell c face
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:
Steel
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Plain flanged
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:
Pump and control unit, fuel, gasturbine engine, non-aircraft

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