NATO Stock Number
5305-01-283-5878
Sold in multiples of
10 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.408 inches and 0.500 inches
Fastener Length
Between 0.470 inches and 0.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.303 inches and 0.312 inches
Head Height
Between 0.185 inches and 0.190 inches
Locking Feature
Patch threads
Internal Drive Style
Hexagon
Thread Diameter
0.190 inches
Width Across Flats
Between 0.156 inches and 0.158 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
39.0 rockwell c fastener and 45.0 rockwell c fastener
Minimum Yield Strength
155000 pounds per square inch
Surface Finish
32.0 microinches threads
Surface Finish
63.0 microinches bearing surface of head
Surface Finish
63.0 microinches grip
Material
Plastic polyamide locking feature
Material
Steel fastener
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response fastener
Thread Series Designator
Unrf
Specification Data
80205-nas1351 professional/industrial association standard