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THREAD: AS8879
MATERIAL:
  • Nut - 7075 aluminum alloy per AMS-QQ-A-225/9 (UNS A97075), heat treated - T73 condition.
  • Washer - 17-4PH stainless steel per AMS5643 (UNS S17400), aged to H-1025 condition.
FINISH:
    • KFN609-(*)

      Nut - Anodized per MIL-A-8625, red dye, and cetyl alcohol lubricant.

      Washer - Cadmium per fed. spec. AMS-QQ-P-416, Type II, Class 3.
    • KFN609DL(*)

      Nut - Anodized per MIL-A-8625, red dye, and cetyl alcohol lubricant.

      Washer - Kaylube molybdenum disulfide dry lubricant coated per AS5272, Type I.
    • KFN609H(*)

      Nut - Anodized per MIL-A-8625, red dye, and cetyl alcohol lubricant.

      Washer - Cadmium plated per fed. spec. AMS-QQ-P-416, Type I, Class 2.
    • KFN609F(*)

      Nut - Anodized per MIL-A-8625, and Kaylube molybdenum disulfide dry film lubricant coated per AS5272, Type I.

      Washer - Kaylube molybdenum disulfide dry lubricant coated per AS5272, Type I.
    • KFN609N(*)

      Nut - Anodized per MIL-A-8625, and lubeco 905 lubricant.

    Washer - Passivated.
PERFORMANCE: KFS 1008 except axial tensile strength as tabulated, obtained when tested on 160 KSI min.
Bolts having modified threads per boeing standard BACB30MY.
APPLICATION: May be misaligned up to 7° in any direction from centered position.
For use on standard to .032 oversize shank bolts.
Unit of Measure

Specifications

Consists of Nut

N/A KFN609-3A

Consists of Washer

N/A KFN609-3W

H - REF

N/A 0.280

M

N/A 0.122-0.102

V

N/A 0.095 Inch

Axial Tensile Strength (LBS. MIN)

N/A 1600

Approx. Weight (LBS/100)

N/A 0.177

Nut Finish

N/A Anodized per MIL-A-8625, Red Dye, and Cetyl Alcohol Lubricant

Washer Finish

N/A Cadmium Plate per AMS-QQ-P-416, Type I, Class 2

Thread Type

N/A Unified

Configuration 1

N/A 6 Point

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 0.1900-32 UNJF-3B