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THREAD: AS8879
MATERIAL:
  • Nut - Alloy steel per AMS6322 (8740), or AMS-S-5000 (4340).
  • Seal - Teflon per ASTM-D-1710.
HEAT TREAT:
  • Nut - Rc 39-43 per AMS-H-6875.
  • Seal - None
FINISH:
  • Nut - Cadmium plated per AMS-QQ-P-416, Type II, Class 3, and cetyl alcohol lubricant.
  • Seal - None
PERFORMANCE: KFS1009, except locking torque requirement limited to one seated cycle, and axial tensile strength as tabulated.
NOTES:
  1. Nut design incorporates positive retention of sealing ring.
  2. Packaging: Add "S" after dash number for spindle packaged nuts for use with K-Fast automatic tools. Example: KFN556-3S.
  3. "C" and "W" dimensions apply before forming self-locking feature.
1 - 10 of 10 | Results Per Page | View | Unit of Measure
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Item #

A - MAX

B

C - MIN

D

H - MAX

M

Q

W

Axial Tensile Strength (LBS. MIN)

Installation Torque (IN-LBS)

Approx. Weight (LBS/100)

Thread

Sort by
N/A 0.720 N/A 0.416-0.411 N/A 0.491 N/A 0.391-0.386 N/A 0.470 N/A 0.127-0.117 N/A 0.055-0.035 N/A 0.439-0.430 N/A 15200 N/A 200-240 N/A 0.900 N/A 0.3750-24 UNJF-3B
N/A 0.720 N/A 0.416-0.411 N/A 0.491 N/A 0.391-0.386 N/A 0.470 N/A 0.127-0.117 N/A 0.055-0.035 N/A 0.439-0.430 N/A 15200 N/A 200-240 N/A 0.900 N/A 0.3750-24 UNJF-3B
N/A 0.636 N/A 0.349-0.344 N/A 0.419 N/A 0.323-0.318 N/A 0.430 N/A 0.127-0.117 N/A 0.045-0.025 N/A 0.376-0.367 N/A 10200 N/A 130-160 N/A 0.550 N/A 0.3125-24 UNJF-3B
N/A 0.636 N/A 0.349-0.344 N/A 0.419 N/A 0.323-0.318 N/A 0.430 N/A 0.127-0.117 N/A 0.045-0.025 N/A 0.376-0.367 N/A 10200 N/A 130-160 N/A 0.550 N/A 0.3125-24 UNJF-3B
N/A 0.461 N/A 0.275-0.270 N/A 0.347 N/A 0.268-0.254 N/A 0.335 N/A 0.111-0.107 N/A 0.045-0.025 N/A 0.313-0.306 N/A 6200 N/A 100-110 N/A 0.460 N/A 0.2500-28 UNJF-3B
N/A 0.461 N/A 0.275-0.270 N/A 0.347 N/A 0.268-0.254 N/A 0.335 N/A 0.111-0.107 N/A 0.045-0.025 N/A 0.313-0.306 N/A 6200 N/A 100-110 N/A 0.460 N/A 0.2500-28 UNJF-3B
N/A 0.348 N/A 0.208-0.203 N/A 0.277 N/A 0.203-0.190 N/A 0.260 N/A 0.092-0.088 N/A 0.041-0.021 N/A 0.251-0.243 N/A 3470 N/A 50-60 N/A 0.290 N/A 0.1900-32 UNJF-3B
N/A 0.348 N/A 0.208-0.203 N/A 0.277 N/A 0.203-0.190 N/A 0.260 N/A 0.092-0.088 N/A 0.041-0.021 N/A 0.251-0.243 N/A 3470 N/A 50-60 N/A 0.290 N/A 0.1900-32 UNJF-3B
N/A 0.313 N/A 0.189-0.186 N/A 0.244 N/A 0.177-0.164 N/A 0.252 N/A 0.092-0.088 N/A 0.039-0.019 N/A 0.220-0.212 N/A 2800 N/A 20-30 N/A 0.250 N/A 0.1640-32 UNJC-3B
N/A 0.313 N/A 0.189-0.186 N/A 0.244 N/A 0.177-0.164 N/A 0.252 N/A 0.092-0.088 N/A 0.039-0.019 N/A 0.220-0.212 N/A 2800 N/A 20-30 N/A 0.250 N/A 0.1640-32 UNJC-3B
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