Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
External keys 90 degrees apart and offset 19 degrees 17 min 8 sec from center line of external keys and angle between first and second key from center line 85 degrees 42 min 51 sec and angle between third and fourth key from center line 85 degrees 42 min 51 sec. Internal keys 180 degrees apart
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 2.230 inches and 2.250 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 2.627 inches and 2.647 inches
External Straight Key Width:
Between 0.150 inches and 0.170 inches
MRC:
The measurement from one flat surface of the key to the opposite flat surface.ABLJ
Internal Straight Key Width:
Between 0.290 inches and 0.300 inches
Distance From Centerline To Top Of Internal Key:
Between 0.915 inches and 0.925 inches
Overall Distance Including Keys:
Between 2.772 inches and 2.792 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 0.066 inches and 0.074 inches
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
Between 32.0 rockwell c and 36.0 rockwell c
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.CSYM
Surface Finish:
63.0 microinches bottom
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.CSYM
Surface Finish:
63.0 microinches top
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4130 or steel comp 4340
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:
Mil-s-18729 military specification 1st material response or ams 6415 assn standard 2nd 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:
Phosphate
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Dod-p-16232 military specification single treatment response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Key
