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THREAD: AS8879
MATERIAL:
  • Nut - 7075 aluminum alloy per AMS-QQ-A-225/9.
  • Washer - Teflon per ASTM-D-1710.
FINISH:
  • KFN631-(*)
    Nut - Anodize per MIL-A-8625, Type II, Class 2, dye yellow color (Yellow with greenish tint). Parts to be tested on cadmium plated bolts lubricated with cetyl alcohol.
    Seal - None.
  • KFN631P(*)
    Nut - Anodize per MIL-A-8625, Type II, Class 2, dye yellow color (Yellow with greenish tint). Parts to be tested on bare (no cetyl) cadmium plated bolts.
    Seal - None.
PERFORMANCE: KFS1008, except as follows:
  • Axial tensile strength as tabulated.
  • Maximum locking torque as tabulated.
  • One cycle use.
  • No Code: Parts to be tested on cadmium plated bolts lubricated with cetyl alcohol.
  • "P" Code: Parts to be tested on bare (no cetyl) cadmium plated 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. Example: KFN631-3S.
NOTES: Special wrench configuration, for use only with Kaylock WS603 socket.
Unit of Measure

Specifications

A - MAX

 N/A 0.461

B

 N/A 0.285-0.280

D

 N/A 0.268-0.254

H - MAX

 N/A 0.335

M

 N/A 0.117-0.107

P

 N/A 0.343-0.337

Spline Size No.

 N/A -10

Axial Tensile Strength (LBS. MIN)

 N/A 3200

Approx. Weight (LBS/100)

 N/A 0.180

Finish

 N/A Anodize per MIL-A-8625, Type II, Class 2, Dye Yellow Color (Yellow with Greenish Tint). Parts to be tested on cadmium plated bolts lubricated with cetyl alcohol.

Packaging

 N/A Bulk

Thread Type

 N/A Unified

Configuration 1

 N/A 8 Spline

Configuration 2

 N/A Self-Sealing

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