NATO Stock Number
5315-00-217-8587
Sold in multiples of
DEMIL
NO
First End Style
Square
Overall Length
Between 4.297 inches and 4.328 inches
Diameter
Between 1.2495 inches and 1.2500 inches
Effective Length
Between 3.984 inches and 4.016 inches
Undercut Diameter
Between 1.191 inches and 1.199 inches
Undercut Width
Between 0.052 inches and 0.056 inches
Second End Relationship With First End
Identical
Hardness Rating
25.0 rockwell c and 34.0 rockwell c
First End Location
Both ends
Surface Finish
63.0 microinches shank end
Material
Steel comp 1040 or steel comp 1137 or steel comp 1141 or steel comp 1144 or steel comp 1042
Material Specification
Qq-s-634 federal specification 1st material response or qq-s-637 federal specification 2nd material response or qq-s-637 federal specification 3rd material response or sae assn standard 4th material response or sae assn standard 5th material response
Style Designator
Groove