MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 2.553 inches and 2.573 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 3.240 inches and 3.260 inches
MRC:
The measurement from one flat surface of the key to the opposite flat surface.ABLJ
Internal Straight Key Width:
Between 0.365 inches and 0.385 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 0.070 inches and 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):
160000 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 36.0 rockwell c and 40.0 rockwell c
MRC:
A combination of timed heating and cooling operations applied for the purpose of annealing or hardening the item.HEAT
Heat Treatment:
As fabricated
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 a 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:
Cadmium and chromate
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:
Qq-p-416, type 2, cl 3 federal specification single treatment response