THREAD: AS8879
MATERIAL:
  • Nut - A286 corrosion resistant steel per AMS5525, AMS5732 or AMS5737 (UNS S66286).
  • Basket - A286 corrosion resistant steel per AMS5525 (UNS S66286).
HEAT TREAT: Precipitation heat treat to Rc 44 max.
FINISH:
  • Nut - Silver plate per AMS2411. Applies to threads only:
    • (-06 size) optional coverage on top and bottom c'sinks.
    • (-08 thru -5) optional coverage on top c'sink and in c'bore.
    To .030 maximum depth.
    Dimensions apply after plating.
  • Basket - Passivate per AMS2700.

PERFORMANCE: AS4393, except axial tensile strenght as tabulated.
FLOATABILITY: .020 minimum radially from centered position.
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Item #

A - MAX

C ± .005

D - MIN

H - MAX

J ± .002

K +.005 / -.000

M - MIN

P

R - MIN

V

W

Axial Tensile Strength (LBS. MIN)

Approx. Weight (LBS/100)

Thread

MF54208-06 N/A 0.682 N/A 0.218 N/A 0 N/A 0.171 N/A 0.437 N/A 0.098 N/A 0 N/A 0.270-0.178 N/A 0.070 N/A 0.090-0.027 0.027 Inch N/A 0.357-0.290 N/A 1130 N/A 0.320 N/A 0.1380-32 UNJC-3B
MF54208-08 N/A 0.707 N/A 0.234 N/A 0.168 N/A 0.250 N/A 0.468 N/A 0.098 N/A 0.062 N/A 0.270-0.204 N/A 0.100 N/A 0.090-0.027 0.027 Inch N/A 0.357-0.290 N/A 1720 N/A 0.360 N/A 0.1640-32 UNJC-3B
MF54208-3 N/A 0.739 N/A 0.250 N/A 0.194 N/A 0.250 N/A 0.500 N/A 0.098 N/A 0.062 N/A 0.270-0.230 N/A 0.100 N/A 0.090-0.027 0.027 Inch N/A 0.416-0.290 N/A 2460 N/A 0.390 N/A 0.1900-32 UNJF-3B
MF54208-4 N/A 0.801 N/A 0.281 N/A 0.254 N/A 0.281 N/A 0.562 N/A 0.098 N/A 0.062 N/A 0.330-0.290 N/A 0.100 N/A 0.090-0.027 0.027 Inch N/A 0.500-0.350 N/A 4580 N/A 0.690 N/A 0.2500-28 UNJF-3B
MF54208-5 N/A 1.010 N/A 0.359 N/A 0.317 N/A 0.328 N/A 0.718 N/A 0.130 N/A 0.062 N/A 0.392-0.352 N/A 0.117 N/A 0.105-0.040 0.040 Inch N/A 0.581-0.412 N/A 7390 N/A 1.100 N/A 0.3125-24 UNJF-3B
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