THREAD: AS8879
MATERIAL: Nut and Basket - A286 corrosion resistant steel per AMS5525, AMS5732 or AMS5737 (UNS S66286).
FINISH:
  • Nut - Silver plate per AMS2411.
  • Basket - Passivate per AMS2700 or silver plate per AMS2410 (Manufacturer's option).
PERFORMANCE: Locking torque per NASM25027.
TEMPERATURE: 900°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

MF6331-04 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
MF6331-06 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
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