THREAD: AS8879
MATERIAL:
  • Nut - 304 corrosion resistant steel per AMS 5697A or AMS5639 (UNS S30400), or corrosion resistant steel per AMS 5686 (UNS S3500).
  • Washer - 17-4PH stainless steel per AMS 5643 (UNS S17400).
HEAT TREAT: Washer - H-900 condition.
FINISH:
  • Nut

  • KFN522C(*) - Cadmium plate per AMS-QQ-P-416, Type II, Class 2, and cetyl alcohol lubricant.
    KFN522DL(*) - Kaylube molybdenum disulfide dry lubricant coat per AS5272.
    KFN522E(*) - Silver plate per AMS 2410 and cetyl alcohol lubricant.
    KFN522K(*) - Lubeco 905 solid film lubricant.
  • Washer

  • KFN522-(*) - Kaylube molybdenum disulfide dry lubricant coat per AS5272.
    KFN522-(*)E - Silver plate per AMS 2410 and cetyl alcohol lubricant.
    KFN522-(*)H - Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
    KFN522-(*)NF - Passivate per AMS2700.
    KFN522-(*)Z - Alumazite "Z" per NAS4006.
PERFORMANCE: KFS 1011, except as follows:
  • Locking torque limited to 5 unseated cycles.
  • Axial tensile strength as tabulated when tested on 180 KSI min. bolts.
APPLICATIONS: For use on standard to .032 oversize shank bolts.
MISALIGNMENT: Up to 7° maximum from centered position.
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: KFN522DL4S).
1 - 25 of 280 | Results Per Page | View | Unit of Measure
 1 2 3 4 5 »  

Item #

A - MIN

C - MIN

D

D

H - MAX

L

L

M

M

P - REF

R - REF

V

W

W

X - REF

Axial Tensile Strength (LBS. MIN)

Rec'm Seating Torque (IN-LBS)

Approx. Weight (LBS/100)

Thread

KFN522C08 N/A 0.285 N/A 0.242 N/A 0.202-0.198 N/A 0.202 in N/A 0.230 N/A 0.335-0.325 N/A 0.335 in N/A 0.122-0.102 N/A 0.122 in N/A 0.235 N/A 0.164 N/A 0.095-0.085 0.095 Inch N/A 0.220-0.212 N/A 0.220 in N/A 0.270 N/A 2300 N/A 22-32 N/A 0.260 N/A 0.1640-32 UNJC-3B
KFN522C3 N/A 0.315 N/A 0.277 N/A 0.228-0.224 N/A 0.228 in N/A 0.240 N/A 0.365-0.355 N/A 0.365 in N/A 0.122-0.102 N/A 0.122 in N/A 0.261 N/A 0.190 N/A 0.095-0.085 0.095 Inch N/A 0.251-0.243 N/A 0.251 in N/A 0.280 N/A 2750 N/A 32-42 N/A 0.280 N/A 0.1900-32 UNJF-3B
KFN522C4 N/A 0.415 N/A 0.348 N/A 0.288-0.284 N/A 0.288 in N/A 0.290 N/A 0.475-0.465 N/A 0.475 in N/A 0.127-0.107 N/A 0.127 in N/A 0.339 N/A 0.250 N/A 0.120-0.110 0.120 Inch N/A 0.313-0.305 N/A 0.313 in N/A 0.340 N/A 5000 N/A 75-90 N/A 0.590 N/A 0.2500-28 UNJF-3B
KFN522C5 N/A 0.530 N/A 0.419 N/A 0.350-0.346 N/A 0.350 in N/A 0.372 N/A 0.590-0.580 N/A 0.590 in N/A 0.137-0.117 N/A 0.137 in N/A 0.423 N/A 0.313 N/A 0.145-0.135 0.145 Inch N/A 0.376-0.367 N/A 0.376 in N/A 0.430 N/A 8300 N/A 140-170 N/A 1.310 N/A 0.3125-24 UNJF-3B
KFN522C6 N/A 0.640 N/A 0.491 N/A 0.413-0.409 N/A 0.413 in N/A 0.400 N/A 0.740-0.730 N/A 0.740 in N/A 0.137-0.117 N/A 0.137 in N/A 0.496 N/A 0.375 N/A 0.160-0.150 0.160 Inch N/A 0.439-0.430 N/A 0.439 in N/A 0.480 N/A 12700 N/A 220-260 N/A 1.980 N/A 0.3750-24 UNJF-3B
KFN522C7 N/A 0.735 N/A 0.561 N/A 0.476-0.472 N/A 0.476 in N/A 0.485 N/A 0.805-0.795 N/A 0.805 in N/A 0.152-0.132 N/A 0.152 in N/A 0.575 N/A 0.438 N/A 0.205-0.195 0.205 Inch N/A 0.502-0.492 N/A 0.502 in N/A 0.590 N/A 19000 N/A 310-370 N/A 3.080 N/A 0.4375-20 UNJF-3B
KFN522C8 N/A 0.850 N/A 0.631 N/A 0.538-0.534 N/A 0.538 in N/A 0.525 N/A 0.915-0.905 N/A 0.915 in N/A 0.152-0.132 N/A 0.152 in N/A 0.654 N/A 0.500 N/A 0.235-0.225 0.235 Inch N/A 0.564-0.553 N/A 0.564 in N/A 0.640 N/A 25500 N/A 410-470 N/A 4.390 N/A 0.5000-20 UNJF-3B
KFN522DL08 N/A 0.285 N/A 0.242 N/A 0.202-0.198 N/A 0.202 in N/A 0.230 N/A 0.335-0.325 N/A 0.335 in N/A 0.122-0.102 N/A 0.122 in N/A 0.235 N/A 0.164 N/A 0.095-0.085 0.095 Inch N/A 0.220-0.212 N/A 0.220 in N/A 0.270 N/A 2300 N/A 22-32 N/A 0.260 N/A 0.1640-32 UNJC-3B
KFN522DL3 N/A 0.315 N/A 0.277 N/A 0.228-0.224 N/A 0.228 in N/A 0.240 N/A 0.365-0.355 N/A 0.365 in N/A 0.122-0.102 N/A 0.122 in N/A 0.261 N/A 0.190 N/A 0.095-0.085 0.095 Inch N/A 0.251-0.243 N/A 0.251 in N/A 0.280 N/A 2750 N/A 32-42 N/A 0.280 N/A 0.1900-32 UNJF-3B
KFN522DL4 N/A 0.415 N/A 0.348 N/A 0.288-0.284 N/A 0.288 in N/A 0.290 N/A 0.475-0.465 N/A 0.475 in N/A 0.127-0.107 N/A 0.127 in N/A 0.339 N/A 0.250 N/A 0.120-0.110 0.120 Inch N/A 0.313-0.305 N/A 0.313 in N/A 0.340 N/A 5000 N/A 75-90 N/A 0.590 N/A 0.2500-28 UNJF-3B
KFN522DL5 N/A 0.530 N/A 0.419 N/A 0.350-0.346 N/A 0.350 in N/A 0.372 N/A 0.590-0.580 N/A 0.590 in N/A 0.137-0.117 N/A 0.137 in N/A 0.423 N/A 0.313 N/A 0.145-0.135 0.145 Inch N/A 0.376-0.367 N/A 0.376 in N/A 0.430 N/A 8300 N/A 140-170 N/A 1.310 N/A 0.3125-24 UNJF-3B
KFN522DL6 N/A 0.640 N/A 0.491 N/A 0.413-0.409 N/A 0.413 in N/A 0.400 N/A 0.740-0.730 N/A 0.740 in N/A 0.137-0.117 N/A 0.137 in N/A 0.496 N/A 0.375 N/A 0.160-0.150 0.160 Inch N/A 0.439-0.430 N/A 0.439 in N/A 0.480 N/A 12700 N/A 220-260 N/A 1.980 N/A 0.3750-24 UNJF-3B
KFN522DL7 N/A 0.735 N/A 0.561 N/A 0.476-0.472 N/A 0.476 in N/A 0.485 N/A 0.805-0.795 N/A 0.805 in N/A 0.152-0.132 N/A 0.152 in N/A 0.575 N/A 0.438 N/A 0.205-0.195 0.205 Inch N/A 0.502-0.492 N/A 0.502 in N/A 0.590 N/A 19000 N/A 310-370 N/A 3.080 N/A 0.4375-20 UNJF-3B
KFN522DL8 N/A 0.850 N/A 0.631 N/A 0.538-0.534 N/A 0.538 in N/A 0.525 N/A 0.915-0.905 N/A 0.915 in N/A 0.152-0.132 N/A 0.152 in N/A 0.654 N/A 0.500 N/A 0.235-0.225 0.235 Inch N/A 0.564-0.553 N/A 0.564 in N/A 0.640 N/A 25500 N/A 410-470 N/A 4.390 N/A 0.5000-20 UNJF-3B
KFN522E08 N/A 0.285 N/A 0.242 N/A 0.202-0.198 N/A 0.202 in N/A 0.230 N/A 0.335-0.325 N/A 0.335 in N/A 0.122-0.102 N/A 0.122 in N/A 0.235 N/A 0.164 N/A 0.095-0.085 0.095 Inch N/A 0.220-0.212 N/A 0.220 in N/A 0.270 N/A 2300 N/A 22-32 N/A 0.260 N/A 0.1640-32 UNJC-3B
KFN522E3 N/A 0.315 N/A 0.277 N/A 0.228-0.224 N/A 0.228 in N/A 0.240 N/A 0.365-0.355 N/A 0.365 in N/A 0.122-0.102 N/A 0.122 in N/A 0.261 N/A 0.190 N/A 0.095-0.085 0.095 Inch N/A 0.251-0.243 N/A 0.251 in N/A 0.280 N/A 2750 N/A 32-42 N/A 0.280 N/A 0.1900-32 UNJF-3B
KFN522E4 N/A 0.415 N/A 0.348 N/A 0.288-0.284 N/A 0.288 in N/A 0.290 N/A 0.475-0.465 N/A 0.475 in N/A 0.127-0.107 N/A 0.127 in N/A 0.339 N/A 0.250 N/A 0.120-0.110 0.120 Inch N/A 0.313-0.305 N/A 0.313 in N/A 0.340 N/A 5000 N/A 75-90 N/A 0.590 N/A 0.2500-28 UNJF-3B
KFN522E5 N/A 0.530 N/A 0.419 N/A 0.350-0.346 N/A 0.350 in N/A 0.372 N/A 0.590-0.580 N/A 0.590 in N/A 0.137-0.117 N/A 0.137 in N/A 0.423 N/A 0.313 N/A 0.145-0.135 0.145 Inch N/A 0.376-0.367 N/A 0.376 in N/A 0.430 N/A 8300 N/A 140-170 N/A 1.310 N/A 0.3125-24 UNJF-3B
KFN522E6 N/A 0.640 N/A 0.491 N/A 0.413-0.409 N/A 0.413 in N/A 0.400 N/A 0.740-0.730 N/A 0.740 in N/A 0.137-0.117 N/A 0.137 in N/A 0.496 N/A 0.375 N/A 0.160-0.150 0.160 Inch N/A 0.439-0.430 N/A 0.439 in N/A 0.480 N/A 12700 N/A 220-260 N/A 1.980 N/A 0.3750-24 UNJF-3B
KFN522E7 N/A 0.735 N/A 0.561 N/A 0.476-0.472 N/A 0.476 in N/A 0.485 N/A 0.805-0.795 N/A 0.805 in N/A 0.152-0.132 N/A 0.152 in N/A 0.575 N/A 0.438 N/A 0.205-0.195 0.205 Inch N/A 0.502-0.492 N/A 0.502 in N/A 0.590 N/A 19000 N/A 310-370 N/A 3.080 N/A 0.4375-20 UNJF-3B
KFN522E8 N/A 0.850 N/A 0.631 N/A 0.538-0.534 N/A 0.538 in N/A 0.525 N/A 0.915-0.905 N/A 0.915 in N/A 0.152-0.132 N/A 0.152 in N/A 0.654 N/A 0.500 N/A 0.235-0.225 0.235 Inch N/A 0.564-0.553 N/A 0.564 in N/A 0.640 N/A 25500 N/A 410-470 N/A 4.390 N/A 0.5000-20 UNJF-3B
KFN522K08 N/A 0.285 N/A 0.242 N/A 0.202-0.198 N/A 0.202 in N/A 0.230 N/A 0.335-0.325 N/A 0.335 in N/A 0.122-0.102 N/A 0.122 in N/A 0.235 N/A 0.164 N/A 0.095-0.085 0.095 Inch N/A 0.220-0.212 N/A 0.220 in N/A 0.270 N/A 2300 N/A 22-32 N/A 0.260 N/A 0.1640-32 UNJC-3B
KFN522K3 N/A 0.315 N/A 0.277 N/A 0.228-0.224 N/A 0.228 in N/A 0.240 N/A 0.365-0.355 N/A 0.365 in N/A 0.122-0.102 N/A 0.122 in N/A 0.261 N/A 0.190 N/A 0.095-0.085 0.095 Inch N/A 0.251-0.243 N/A 0.251 in N/A 0.280 N/A 2750 N/A 32-42 N/A 0.280 N/A 0.1900-32 UNJF-3B
KFN522K4 N/A 0.415 N/A 0.348 N/A 0.288-0.284 N/A 0.288 in N/A 0.290 N/A 0.475-0.465 N/A 0.475 in N/A 0.127-0.107 N/A 0.127 in N/A 0.339 N/A 0.250 N/A 0.120-0.110 0.120 Inch N/A 0.313-0.305 N/A 0.313 in N/A 0.340 N/A 5000 N/A 75-90 N/A 0.590 N/A 0.2500-28 UNJF-3B
KFN522K5 N/A 0.530 N/A 0.419 N/A 0.350-0.346 N/A 0.350 in N/A 0.372 N/A 0.590-0.580 N/A 0.590 in N/A 0.137-0.117 N/A 0.137 in N/A 0.423 N/A 0.313 N/A 0.145-0.135 0.145 Inch N/A 0.376-0.367 N/A 0.376 in N/A 0.430 N/A 8300 N/A 140-170 N/A 1.310 N/A 0.3125-24 UNJF-3B
1 - 25 of 280 | Results Per Page | View | Unit of Measure
 1 2 3 4 5 »