NATO Stock Number
5305-00-001-9768
Sold in multiples of
50 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.092 inches and 1.186 inches
Fastener Length
Between 1.234 inches and 1.266 inches
Head Style
Flat countersunk
Head Diameter
Between 0.322 inches and 0.385 inches
Locking Feature
Patch threads
Internal Drive Style
Cross recess type 1
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
34.0 rockwell c and 40.0 rockwell c
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches threads
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 class 3 federal specification all treatment responses
Thread Series Designator
Unjf
Specification Data
80205-nas1741 professional/industrial association standard