NATO Stock Number
5305-00-004-5326
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.125 inches and 0.157 inches
Fastener Length
Between 0.218 inches and 0.250 inches
Head Style
Pan
Head Diameter
Between 0.256 inches and 0.270 inches
Head Height
Between 0.072 inches and 0.082 inches
Washer Quantity
2
Internal Drive Style
Slot
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
55000 pounds per square inch
Secondary Washer Relationship To Primary Washer
Not identical
Secondary Washer Style
Flat
Primary Washer Outside Diameter
0.253 inches
Secondary Washer Outside Diameter
Between 0.253 inches and 0.263 inches
Primary Washer Style
Split helical ring
Primary Washer Material Thickness
0.031 inches
Secondary Washer Material Thickness
Between 0.013 inches and 0.019 inches
Material
Steel comp 1010
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification all treatment responses
Thread Series Designator
Unc
Specification Data
80205-nas720 professional/industrial association standard
