NATO Stock Number
5307-00-149-4513
Sold in multiples of
DEMIL
NO
Thread Class
3a nut thread
Thread Pitch Diameters
+0.2805/+0.2821 inches stud thread
Thread Pitch Diameters
+0.2805 to 0.2821 inches stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.500 inches nut thread
Thread Length
0.438 inches stud thread
Shank Diameter
0.250 inches
Overall Length
3.281 inches
Thready Qty Per Inch (tpi)
18 stud thread
Thready Qty Per Inch (tpi)
28 nut thread
Hardness Rating
Between 28.0 rockwell c and 32.0 rockwell c
Thread Size
0.250 inches nut thread
Thread Size
0.312 inches stud thread
Surface Finish
100.0 microinches nut thd
Surface Finish
40.0 microinches stud thd
Material
Steel comp 8630 or steel comp 8740 or steel comp 4130
Material Specification
Ams 6280 assn standard 1st material response or ams 6322 assn standard 2nd material response or ams 6324 assn standard 2nd material response or ams 6370 assn standard 3rd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Style Designator
Stepped
Thread Series Designator
Unf nut thread
Thread Series Designator
Uns stud thread