Part Number: NAS1581
Function : High Strength, Close Tolerance, Reduced (Shear) Head, Countersunk Screw
Package: Screw Bolt type
Manufacturer: Genuine Aircraft Hardware
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Description
The options are after the Grip Length. If more than one option is used they are to be placed in order, if one is not used, maintain the order and skip the unused option.
The Grip length for Countersunk Head Fasteners, includes the head and extends to the full cylindrical
portion of the shank.
Pinout
MATERIALS :
(A)- or (F) = Alloy Steel, 4140,4340 or 8740, Heat treated to 160-180ksi. Cad 2 plated
(C) = Corrosion Resistant (A286) Steel, Heat treated to160-190ksi. Cad 2 (optional)
(V)- = Titanium (6al-4v) Heat treated to 160-180ksi. No finish
