THREAD: AS8879
MATERIAL:
  • Nut - 7075 aluminum alloy per QQ-A-282, 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.
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Item #

Consists of Nut

Consists of Washer

H - REF

M

V

Axial Tensile Strength (LBS. MIN)

Approx. Weight (LBS/100)

Thread

KFN609-08 N/A KFN609-08A N/A KFN609-08W N/A 0.270 N/A 0.122-0.102 N/A 0.095 Inch N/A 1400 N/A 0.144 N/A 0.1640-32 UNJC-3B
KFN609-3 N/A KFN609-3A N/A KFN609-3W N/A 0.280 N/A 0.122-0.102 N/A 0.095 Inch N/A 1600 N/A 0.177 N/A 0.1900-32 UNJF-3B
KFN609-4 N/A KFN609-4A N/A KFN609-4W N/A 0.340 N/A 0.127-0.107 N/A 0.120 Inch N/A 3000 N/A 0.364 N/A 0.2500-28 UNJF-3B
KFN609-5 N/A KFN609-5A N/A KFN609-5W N/A 0.430 N/A 0.137-0.117 N/A 0.145 Inch N/A 5000 N/A 0.721 N/A 0.3125-24 UNJF-3B
KFN609-6 N/A KFN609-6A N/A KFN609-6W N/A 0.470 N/A 0.137-0.117 N/A 0.160 Inch N/A 7000 N/A 1.023 N/A 0.3750-24 UNJF-3B
KFN609-7 N/A KFN609-7A N/A KFN609-7W N/A 0.565 N/A 0.152-0.132 N/A 0.205 Inch N/A 9500 N/A 1.795 N/A 0.4375-20 UNJF-3B
KFN609-8 N/A KFN609-8A N/A KFN609-8W N/A 0.645 N/A 0.152-0.132 N/A 0.235 Inch N/A 12500 N/A 2.603 N/A 0.5000-20 UNJF-3B
KFN609DL08 N/A KFN609-08A N/A KFN609-08W N/A 0.270 N/A 0.122-0.102 N/A 0.095 Inch N/A 1400 N/A 0.144 N/A 0.1640-32 UNJC-3B
KFN609DL3 N/A KFN609-3A N/A KFN609-3W N/A 0.280 N/A 0.122-0.102 N/A 0.095 Inch N/A 1600 N/A 0.177 N/A 0.1900-32 UNJF-3B
KFN609DL4 N/A KFN609-4A N/A KFN609-4W N/A 0.340 N/A 0.127-0.107 N/A 0.120 Inch N/A 3000 N/A 0.364 N/A 0.2500-28 UNJF-3B
KFN609DL5 N/A KFN609-5A N/A KFN609-5W N/A 0.430 N/A 0.137-0.117 N/A 0.145 Inch N/A 5000 N/A 0.721 N/A 0.3125-24 UNJF-3B
KFN609DL6 N/A KFN609-6A N/A KFN609-6W N/A 0.470 N/A 0.137-0.117 N/A 0.160 Inch N/A 7000 N/A 1.023 N/A 0.3750-24 UNJF-3B
KFN609DL7 N/A KFN609-7A N/A KFN609-7W N/A 0.565 N/A 0.152-0.132 N/A 0.205 Inch N/A 9500 N/A 1.795 N/A 0.4375-20 UNJF-3B
KFN609DL8 N/A KFN609-8A N/A KFN609-8W N/A 0.645 N/A 0.152-0.132 N/A 0.235 Inch N/A 12500 N/A 2.603 N/A 0.5000-20 UNJF-3B
KFN609H08 N/A KFN609-08A N/A KFN609-08W N/A 0.270 N/A 0.122-0.102 N/A 0.095 Inch N/A 1400 N/A 0.144 N/A 0.1640-32 UNJC-3B
KFN609H3 N/A KFN609-3A N/A KFN609-3W N/A 0.280 N/A 0.122-0.102 N/A 0.095 Inch N/A 1600 N/A 0.177 N/A 0.1900-32 UNJF-3B
KFN609H4 N/A KFN609-4A N/A KFN609-4W N/A 0.340 N/A 0.127-0.107 N/A 0.120 Inch N/A 3000 N/A 0.364 N/A 0.2500-28 UNJF-3B
KFN609H5 N/A KFN609-5A N/A KFN609-5W N/A 0.430 N/A 0.137-0.117 N/A 0.145 Inch N/A 5000 N/A 0.721 N/A 0.3125-24 UNJF-3B
KFN609H6 N/A KFN609-6A N/A KFN609-6W N/A 0.470 N/A 0.137-0.117 N/A 0.160 Inch N/A 7000 N/A 1.023 N/A 0.3750-24 UNJF-3B
KFN609H7 N/A KFN609-7A N/A KFN609-7W N/A 0.565 N/A 0.152-0.132 N/A 0.205 Inch N/A 9500 N/A 1.795 N/A 0.4375-20 UNJF-3B
KFN609H8 N/A KFN609-8A N/A KFN609-8W N/A 0.645 N/A 0.152-0.132 N/A 0.235 Inch N/A 12500 N/A 2.603 N/A 0.5000-20 UNJF-3B
KFN609F08 N/A KFN609-08A N/A KFN609-08W N/A 0.270 N/A 0.122-0.102 N/A 0.095 Inch N/A 1400 N/A 0.144 N/A 0.1640-32 UNJC-3B
KFN609F3 N/A KFN609-3A N/A KFN609-3W N/A 0.280 N/A 0.122-0.102 N/A 0.095 Inch N/A 1600 N/A 0.177 N/A 0.1900-32 UNJF-3B
KFN609F4 N/A KFN609-4A N/A KFN609-4W N/A 0.340 N/A 0.127-0.107 N/A 0.120 Inch N/A 3000 N/A 0.364 N/A 0.2500-28 UNJF-3B
KFN609F5 N/A KFN609-5A N/A KFN609-5W N/A 0.430 N/A 0.137-0.117 N/A 0.145 Inch N/A 5000 N/A 0.721 N/A 0.3125-24 UNJF-3B
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