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THREAD: AS8879
MATERIAL: 7075 aluminum alloy per AMS-QQ-A-225/9.
HEAT TREAT: T73 condition.
FINISH:
  • KFN604-(*) - Anodize per MIL-A-8625, Type II, Class 2, dye color copper for -08 size only and dye color dark blue for remainder of sizes, plus cetyl alcohol lubricant.
  • KFN604DL(*) - Anodize per MIL-A-8625, Type II, Class 2, plus Kaylube molybdenum disulfide dry lubricant coat per AS5272, Type I.
PERFORMANCE: NASM25027, except as follows:
  • Axial tensile strength as tabulated.
  • Recommended seating torque as tabulated.
  • Maximum locking torque for sizes -9 and -10 restricted to 150 LBS-IN.
APPLICATIONS: 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® automatic tools, or "SS" for parts packaged on "short spindles" for use on lightweight K-Fast® automatic tools. (Examples: KFN604-4S or KFN604-4SS). Spindle packaged parts applies thru -5 size nuts only.
NOTES: Special wrench configuration, for use only with Kaynar products WS603 Socket.
Unit of Measure

Specifications

A - MAX

N/A 0.322

B - MIN

N/A 0.285

D

N/A 0.228-0.224

D

N/A 0.228 in

H - MAX

N/A 0.260

M

N/A 0.112-0.102

M

N/A 0.112 in

Y

N/A 0.005

Spline Size No.

N/A -8

Axial Tensile Strength (LBS. MIN)

N/A 1950

Rec'm Seating Torque (IN-LBS)

N/A 25-35

Approx. Weight (LBS/100)

N/A 0.090

Finish

N/A Anodize per MIL-A-8625, Type II, Class 2, Dye Color Dark Blue, Plus Cetyl Alcohol Lubricant

Packaging

N/A Spindle

Thread Type

N/A Unified

Configuration 1

N/A 8 Spline

Simplified Material

N/A Aluminum

Strength

N/A 80KSI - 550Mpa

Temperature

N/A 250°F - 120°C

Thread

N/A 0.1900-32 UNJF-3B