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THREAD: AS8879
MATERIAL: Alloy steel per AMS6322 (UNS G87400).
HEAT TREAT: Rc 39-43 per AMS-H-6875
FINISH: Cadmium plated per AMS-QQ-P-416, Type II, Class 3, and Kaylube molybdenum disulfide dry lubricant coated per AS5272, Type I.
PERFORMANCE: KFS1009.
APPLICATION: For use on standard to .032 oversize shank bolts.
PACKAGING: Parts are normally supplied in bulk packaging. Add "S" after dash number for spindle packaged nuts for use with K-Fast tools. (-08 trough -5 sizes only). Example: KFN541L3FS
NOTES: "C" and "W" dimensions apply before forming self-locking feature.
Unit of Measure

Specifications

A - MAX

N/A 0.425

B - MIN

N/A 0.400

C - MIN

N/A 0.348

D

N/A 0.288-0.263

H - MAX

N/A 0.295

M

N/A 0.117-0.107

W

N/A 0.313-0.305

Axial Tensile Strength (LBS. MIN)

N/A 6200

Approx. Weight (LBS/100)

N/A 0.410

Packaging

N/A Spindle

Thread Type

N/A Unified

Configuration 1

N/A 6 Point

Simplified Material

N/A Alloy Steel

Strength

N/A 160KSI - 1100Mpa

Temperature

N/A 450°F - 235°C

Thread

N/A 0.2500-28 UNJF-3B