Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Mark part per ps-m428 fscm 11599, this item has been designated to be anengineering critical aircraft engine item
NSN
National Stock Number:
TXT
Description:
Key Washer
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 1.140 inches and 1.160 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 1.397 inches and 1.403 inches
External Straight Key Width:
Between 0.145 inches and 0.150 inches
MRC:
The measurement from one flat surface of the key to the opposite flat surface.ABLJ
Internal Straight Key Width:
Between 0.145 inches and 0.150 inches
Distance From Centerline To Top Of Internal Key:
Between 0.470 inches and 0.480 inches
Overall Distance Including Keys:
Between 1.557 inches and 1.562 inches
MRC:
The number of internal keys included.ABMR
Internal Key Quantity:
2
MRC:
A measurement of the smallest dimension of the material,in distinction from length or width.ABPX
Material Thickness:
Between 0.059 inches and 0.067 inches
MRC:
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.CRTL
Criticality Code Justification:
Feat
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Ams5515 or ams5516 assn standard single material response
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Oxide film
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Key
