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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 0.412-0.408

C - MIN

N/A 0.348

D

N/A 0.261-0.257

H - MAX

N/A 0.280

M

N/A 0.097-0.087

W

N/A 0.313-0.305

Axial Tensile Strength (LBS. MIN)

N/A 3000

Wrench Torque (LBS-IN MIN)

N/A 92

Max. Installation Torque (LBS-IN)

N/A 17

Rec'm Seating Torque (IN-LBS)

N/A 70

Approx. Weight (LBS/100)

N/A 0.150

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 0.2500-28 UNJF-3B