NATO Stock Number
5310-00-174-7421
Sold in multiples of
50 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Counterbore Diameter
0.500 inches nut
Nut Style
Non-floating self-locking barrel
Nut Diameter
Between 0.738 inches and 0.741 inches
Nut Length
1.063 inches
Barrel Height
0.475 inches
Nut Height
Between 0.563 inches and 0.593 inches
Nut Counterbore Depth
0.094 inches nut
Tempurature Rating
350.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Hardness Rating
Between 26.0 rockwell c and 32.0 rockwell c
Thread Size
0.438 inches
Material
Steel comp 4130 or steel comp 8630 or plastic polyamide
Material Specification
Sae assn standard 1st material response or sae federal specification 2nd material response
Surface Treatment
Cadmium except insert
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response except insert