NATO Stock Number
5310-00-556-6821
Sold in multiples of
10 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.380 inches
Counterbore Diameter
0.211 inches nut and 0.221 inches nut
Lubrication
Dry film lubricant
Overall Height
Between 0.223 inches and 0.243 inches
Nut Style
Double hexagon
Washer Thickness
Between 0.072 inches and 0.087 inches
Nut Counterbore Depth
0.072 inches nut and 0.087 inches nut
Width Across Flats
Between 0.213 inches and 0.221 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Hardness Rating
Between 35.0 rockwell c and 40.0 rockwell c
Thread Size
0.190 inches
Material
Steel comp 1040 nut or steel comp 1042 nut or steel comp 1050 nut
Material
Steel comp 8740 washer
Material Specification
Aisi1040 assn standard 1st material response nut or aisi1042 assn standard 2nd material response nut or aisi1050 assn standard 3rd material response nut
Material Specification
Ams6322 assn standard single material response washer or mil-s-6049 comp 8740 military specification single material response washer
Surface Treatment
Cadmium washer
Surface Treatment
Cadmium nut
Surface Treatment Specification
Qq-p-416 federal specification single treatment response nut
Surface Treatment Specification
Qq-p-416 type2, class3 federal specification single treatment response washer
