NATO Stock Number
5310-01-218-7128
Sold in multiples of
EA
DEMIL
NO
Thread Class
2b
Thread Direction
Right-hand
Pilot Diameter
Between 0.479 inches and 0.482 inches
Pilot Length
Between 0.245 inches and 0.255 inches
Counterbore Diameter
0.401 inches nut and 0.411 inches nut
Nut Style
Spline
Nut Diameter
Between 0.872 inches and 0.878 inches
Nut Height
Between 0.552 inches and 0.572 inches
Nut Counterbore Depth
0.433 inches nut and 0.443 inches nut
Thread Series
Unc
Thready Qty Per Inch (tpi)
16
Thread Size
0.375 inches
Material
Steel uns s21800 or steel comp 203ez or steel comp 303 or steel comp 303 plus x or steel comp 303ma or steel comp 303pb or steel comp 303se or steel comp 416 or steel comp 416 plus x or steel comp 416se or steel comp 430f or steel comp 430fse
Material Specification
Astm a555 assn standard 1st material response or astm a581 assn standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response