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Arconic Fastening Systems

  • KFN517 - 6 Point Deep C'Bore
THREAD: AS8879
MATERIAL: 17-4PH stainless steel per AMS 5643 (UNS S17400).
HEAT TREAT: Aged to H-1025 condition per AMS-H-6875.
FINISH:
  • KFN517C(*) - Cadmium plate per AMS-QQ-P-416, Type II, Class 2, and cetyl alcohol lubricant.
  • KFN517DL(*) - Passivate per AMS2700 and Kaylube molybdenum disulfide dry lubricant coat per AS5272, Type I.
  • KFN517E(*) - Silver plate per AMS 2410, dye blue color, and cetyl alcohol lubricant. Blue dye to cover 20% of nut min. and is not to affect self-locking torque.
  • KFN517P(*) - Cadmium plate per AMS-QQ-P-416, Type I, Class 2, and cetyl alcohol lubricant.
PERFORMANCE: KFS1011, except axial tensile strength as tabulated.
APPLICATION: For use on standard to .032 oversize shank bolts.
PACKAGING: Parts are normally supplied in bulk packaging. Add "S" after dash number for spindle packaged nuts for use with standard K-Fast® tools or "SS" for parts packaged on "short spindles" for use on lightweight K-Fast® automatic tools. Spindle packaged parts apply to sizes -08 thru -5 only. (Example: KFN517C3S or KFN517C3SS).
NOTES: KFN517C(*), DL(*) and P(*) Parts to be identified with yellow dykem color. Coat 20% of nuts minimum. Coating not to affect self-locking torque.
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A - MAX

B - MIN

C - MIN

D

H - MAX

M

S - MIN

W

Y

Axial Tensile Strength (LBS. MIN)

Approx. Weight (LBS/100)

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KFN517C08 N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517DL08 N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517E08 N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517P08 N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517C08S N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517DL08S N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517E08S N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517P08S N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517C08SS N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517DL08SS N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517E08SS N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517P08SS N/A 0.290 N/A 0.273 N/A 0.242 N/A 0.202-0.198 N/A 0.270 N/A 0.112-0.102 N/A 0.060 N/A 0.220-0.212 N/A 0.005 N/A 3050 N/A 0.195 N/A 0.1640-32 UNJC-3B
KFN517P3SS N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517E3SS N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517DL3SS N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517C3SS N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517P3S N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517E3S N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517DL3S N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517C3S N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517P3 N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517E3 N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517DL3 N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517C3 N/A 0.330 N/A 0.295 N/A 0.277 N/A 0.228-0.224 N/A 0.280 N/A 0.112-0.102 N/A 0.070 N/A 0.251-0.243 N/A 0.005 N/A 4000 N/A 0.251 N/A 0.1900-32 UNJF-3B
KFN517C4 N/A 0.425 N/A 0.398 N/A 0.348 N/A 0.288-0.284 N/A 0.340 N/A 0.117-0.107 N/A 0.090 N/A 0.313-0.305 N/A 0.005 N/A 7500 N/A 0.503 N/A 0.2500-28 UNJF-3B
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