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THREAD: AS8879
MATERIAL:
  • Nut - 7075 aluminum alloy.
  • Washer - 17-4PH stainless steel per AMS5643 (UNS S17400).
HEAT TREAT:
  • Nut - T73 condition.
  • Washer - Aged to H-1025 condition.
FINISH:
  • KFN606-(*):

  • Nut - Anodize per MIL-A-8625, Type II, Class 2 (identify -08 size with copper dye and dark blue dye for remaining sizes), plus cetyl alcohol lubricant.
    Washer - Cadmium plate per AMS-QQ-P-416, Type II, Class 3.
  • KFN606-(*)DL:

  • Nut - Anodize per MIL-A-8625, Type II, Class 2 (identify -08 size with copper dye and dark blue dye for remaining sizes), plus cetyl alcohol lubricant.
    Washer - Passivate per AMS2700 and Kaylube molybdenum disulfide dry film lubricant coat per AS5272.
  • KFN606DL(*):

  • Nut - Anodize per MIL-A-8625, Type II, Class 2, plus Kaylube molybdenum disulfide dry film lubricant coat per AS5272.
    Washer - Cadmium plate per AMS-QQ-P-416, Type II, Class 3.
  • KFN606DL(*)DL:

  • Nut - Anodize per MIL-A-8625, Type II, Class 2, plus Kaylube molybdenum disulfide dry film lubricant coat per AS5272.
    Washer - Passivate per AMS2700 and Kaylube molybdenum disulfide dry film lubricant coat per AS5272.
PERFORMANCE: NASM25027, except as follows:
  • Axial tensile strength as tabulated.
  • 5 cycle reusability.
APPLICATIONS:
TEMPERATURE: 250°F
MISALIGMENT: For use on sloped surfaces up to 7° maximum from centered position.
NOTES:
  1. Special wrenching configuration for use only with Kaynar products WS603 socket.
  2. Parts are supplied in assembled (bonded) condition. To order individually component usage is as follows.
ASSEMBLY:NUT:WASHER:
KFN606-(*) KFN606-(*)A KFN606-(*)W
KFN606-(*)DLKFN606-(*)AKFN606-(*)DLW
KFN606DL(*)KFN606DL(*)AKFN606-(*)W
KFN606DL(*)DL   KFN606DL(*)A   KFN606-(*)DLW
Unit of Measure

Specifications

A - MIN

N/A 0.870

D

N/A 0.601-0.597

H - MAX

N/A 0.580

L

N/A 1.105-1.095

M

N/A 0.160-0.140

P - REF

N/A 0.720

R - REF

N/A 0.562

V

N/A 0.270-0.260

X - REF

N/A 0.700

Spline Size No.

N/A -22

Axial Tensile Strength (LBS. MIN)

N/A 15200

Rec'm Seating Torque (IN-LBS)

N/A 500-575

Approx. Weight (LBS/100)

N/A 3.650

Nut Finish

N/A Anodize per MIL-A-8625, Type II, Class 2, plus Kaylube Molybdenum Disulfide Dry Film Lubricant Coat per AS5272

Washer Finish

N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 3

Thread Type

N/A Unified

Configuration 1

N/A 8 Spline

Configuration 2

N/A Self-Aligning

Simplified Material

N/A Aluminum

Strength

N/A 80KSI - 550Mpa

Temperature

N/A 250°F - 120°C

Thread

N/A 0.5625-18 UNJF-3B