NATO Stock Number
5305-00-570-0518
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 0.635 inches and 0.675 inches
Head Style
Knurled no. 4
Head Diameter
0.356 inches
Head Height
0.270 inches
Internal Drive Style
Offset cruciform (torque set)
Material Accommodated Thickness
Between 0.063 inches and 0.125 inches
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
140000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
Material
Aluminum alloy 6061 head
Material
Aluminum alloy 6061 stand-off
Material
Iron alloy 660 fastener
Material
Steel comp 302 spring
Material Specification
Ams 5732 assn standard single material response fastener
Material Specification
Astm a580 assn standard single material response spring
Material Specification
Qq-a-225/8 federal specification single material response head
Material Specification
Qq-a-225/8 federal specification single material response stand-off
Surface Treatment
Anodize head
Surface Treatment
Anodize stand-off
Surface Treatment
Passivate fastener
Surface Treatment
Passivate spring
Surface Treatment Specification
Mil-a-8625, type 1 cl 1 military specification single treatment response stand-off
Surface Treatment Specification
Mil-a-8625, type 1, cl 1 military specification single treatment response head
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Thread Series Designator
Unc