THREAD: AS8879
MATERIAL: Nut and Basket - C1050 carbon steel per AMS 5058 (UNS G10500), heat treated.
FINISH:
  • MF6300-(*)

  • Nut - Cadmium plate per AMS-QQ-P-416, Type II, Class 3 and Kaylube molybdenum disulfide dry film lubricant coat per AS5272.
    Basket - Cadmium plate per AMS-QQ-P-416, Type II, Class 3.
  • MF6300-(*)CW

  • Nut - Cadmium plate per QQ--P-416, Type II, Class 3 and carbowax.
    Basket - Cadmium plate per AMS-QQ-P-416, Type II, Class 3.
  • MF6300X(*)

  • Nut and Basket - Cadmium plate per AMS-QQ-P-416, Type II, Class 3.
PERFORMANCE: Locking torque per NASM25027.
TEMPERATURE: 500°F.
FLOATABILITY: X=.018 minimum, Y=.033 minimum.
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Item #

A

B

C ± .002

E

F - MAX

H - MAX

J

K
+.003
-.000

T

V - REF

W

Approx. Weight (LBS/100)

Thread

MF6300-04 N/A 0.455 N/A 0.344 N/A 0.140 N/A 0.156 N/A 0.270 N/A 0.160 N/A 0.230 N/A 0.066 N/A 0.165 N/A 0.025 N/A 0.266 N/A 0.240 N/A 0.1120-40 UNJC-3B
MF6300-06 N/A 0.455 N/A 0.344 N/A 0.140 N/A 0.156 N/A 0.270 N/A 0.160 N/A 0.230 N/A 0.066 N/A 0.165 N/A 0.025 N/A 0.266 N/A 0.230 N/A 0.1380-32 UNJC-3B
MF6300-04CW N/A 0.455 N/A 0.344 N/A 0.140 N/A 0.156 N/A 0.270 N/A 0.160 N/A 0.230 N/A 0.066 N/A 0.165 N/A 0.025 N/A 0.266 N/A 0.240 N/A 0.1120-40 UNJC-3B
MF6300-06CW N/A 0.455 N/A 0.344 N/A 0.140 N/A 0.156 N/A 0.270 N/A 0.160 N/A 0.230 N/A 0.066 N/A 0.165 N/A 0.025 N/A 0.266 N/A 0.230 N/A 0.1380-32 UNJC-3B
MF6300X04 N/A 0.455 N/A 0.344 N/A 0.140 N/A 0.156 N/A 0.270 N/A 0.160 N/A 0.230 N/A 0.066 N/A 0.165 N/A 0.025 N/A 0.266 N/A 0.240 N/A 0.1120-40 UNJC-3B
MF6300X06 N/A 0.455 N/A 0.344 N/A 0.140 N/A 0.156 N/A 0.270 N/A 0.160 N/A 0.230 N/A 0.066 N/A 0.165 N/A 0.025 N/A 0.266 N/A 0.230 N/A 0.1380-32 UNJC-3B
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