Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Navy special project
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:
3.250 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:
4.250 inches
MRC:
The measurement from one flat surface of the key to the opposite flat surface.ABLJ
Internal Straight Key Width:
Between 0.240 inches and 0.245 inches
Distance From Centerline To Top Of Internal Key:
1.380 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:
0.090 inches
MRC:
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.CQBC
Min. Tensile Strength (psi):
125000 pounds per square inch
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
Between 26.0 rockwell c and 33.0 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:
90.0 microinches all surfaces
MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Drill 4 holes 0.265 diameter equally spaced on 3.750 in. Diameter bolt circle
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4130
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, cond n military specification 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 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:
Mil-c-13924, cl 1 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
