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THREAD: AS8879
MATERIAL: A286 corrosion resistant steel per AMS 5732.
FINISH:
  • KFN617-(*) - Silver plate per AMS 2410 and cetyl alcohol lubricant.
  • KFN617C(*) - Cadmium plate per AMS-QQ-P-416, Type II, Class 2, and cetyl alcohol lubricant.
  • KFN617D(*) - Kaylube molybdenum disulfide dry lubricant coated per AS5272, Type I.
PERFORMANCE: NASM25027, except axial tensile strength as tabulated.
APPLICATION:
  1. For use on standard to .032 oversize shank bolts.
  2. Recommended seating torque values for use with pins or bolts in tension applications.
PACKAGING: Parts are normally supplied in bulk packaging. Add "S" after dash number for spindle packaged nuts for use with K-Fast automatic tools (-08 through -5 sizes only). Example: KFN617-3S.
NOTES: Special wrench configuration, for use only with Kaylock WS603 socket.
Unit of Measure

Specifications

A

N/A 0.743-0.737

B - MIN

N/A 0.712

D

N/A 0.476-0.472

H - MAX

N/A 0.515

M

N/A 0.142-0.132

Spline Size No.

N/A -18

Axial Tensile Strength (LBS. MIN)

N/A 23750

Rec'm Seating Torque (IN-LBS)

N/A 600-675

Approx. Weight (LBS/100)

N/A 2.260

Finish

N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 plus Cetyl Alcohol Lubricant

Packaging

N/A Bulk

Thread Type

N/A Unified

Configuration 1

N/A 8 Spline

Simplified Material

N/A CRES

Strength

N/A 180KSI - 1250Mpa

Temperature

N/A 450°F - 235°C

Thread

N/A 0.4375-20 UNJF-3B