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THREAD: AS8879
MATERIAL: 7075 aluminum alloy per AMS-QQ-A-225/9
HEAT TREAT: Age to T73 condition per AMS2770.
FINISH: Anodize per MIL-A-8625, Type II, Class 2, dye color orange, plus cetyl alcohol lubricant per MIL-L-87132, Type III, grade B.
PERFORMANCE: KFS1008, except as follows:
  • Axial tensile strength, max. locking torque and wrench torque and wrench torque as tabulated.
  • One cycle use.
PACKAGING: Parts are normally supplied in bulk packaging. Add "S" after dash number for spindle packaged nuts for use with K-Fast® tools. (Example: KFN587-5S).
NOTES: "C" and "W" dimensions apply prior to deformation of locking feature.
Unit of Measure

Specifications

A

 N/A 0.713-0.707

C - MIN

 N/A 0.561

D

 N/A 0.450-0.444

H - MAX

 N/A 0.415

M

 N/A 0.107-0.097

W

 N/A 0.502-0.492

Axial Tensile Strength (LBS. MIN)

 N/A 9000

Wrench Torque (LBF-IN MIN)

 N/A 440

Max. Installation Torque (LBF-IN)

 N/A 60

Rec'm Seating Torque (LBF-IN)

 N/A 250

Approx. Weight (LBS/100)

 N/A 0.670

Packaging

 N/A Bulk

Thread Type

 N/A Unified

Configuration 1

 N/A 6 Point

Simplified Material

 N/A Aluminum

Strength

 N/A 80KSI - 550Mpa

Temperature

 N/A 250°F - 120°C

Thread

 N/A 0.4375-20 UNJF-3B