NATO Stock Number
5310-01-321-8063
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Counterbore Diameter
0.254 inches nut
Lubrication
Dry film lubricant
Nut Style
Plate
Nut Length
Between 0.557 inches and 0.567 inches
Nut Height
0.246 inches
Plate Thickness
Between 0.040 inches and 0.052 inches
Plate Width
Between 0.395 inches and 0.405 inches
Nut Counterbore Depth
0.036 inches nut
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Iron alloy 660
Material Specification
Asms 5525 assn standard single material response or ams 5732 assn standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response