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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

0.461

B

0.285-0.280

D

0.268-0.254

H - MAX

0.335

M

0.117-0.107

P

0.343-0.337

Spline Size No.

-10

Axial Tensile Strength (LBS. MIN)

3200

Approx. Weight (LBS/100)

0.180

Finish

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.

Packaging

Bulk

Thread Type

Unified

Configuration 1

8 Spline

Configuration 2

Self-Sealing

Simplified Material

Aluminum

Strength

80KSI - 550Mpa

Temperature

250°F - 120°C

Thread

0.2500-28 UNJF-3B