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THREAD: AS8879
MATERIAL:
  • Nut - C1050 carbon steel per AMS 5085 (UNS G10500), heat treated.
  • Channel - 7075-T6 aluminum alloy alclad.
  • Clip - 300 series corrosion resistant steel or 18-2MN.
FINISH:
  • Nut - Cadmium plate per AMS-QQ-P-416, TYPE II, Class 2, plus Kaylube molybdenum disulfide dry film lubricant coat per AS5272, Type I.
  • Channel - Anodize per MIL-A-8625, Type II, Class 1 (neutral color).
  • Clip - Passivate per AMS2700.
PERFORMANCE: NASM25027, except push out and torque out values as tabulated. These values apply both separately and combined.
NOTES: Floatability from centered position - longitudinally .030 min., laterally .010 min.
Unit of Measure

B - REF

 N/A 0.700

D (REF)

 N/A 0.375

F - MAX

 N/A 0.344

H - MAX

 N/A 0.524

M - MIN

 N/A 0.250

P - MIN

 N/A 0.317

V - REF

 N/A 0.050

W - MAX

 N/A 0.640

Cut Off - MIN

 N/A 0.469

Push Out (LBS. MIN)

 N/A 250

Torque Out (LBS-IN MIN)

 N/A 280

S - Nut Spacing

 N/A 3.000

No. of Nuts

 N/A 24

Approx. Nut & Clip Weight (LBS/100)

 N/A 0.81

Approx. Channel Weight (LBS/INCH)

 N/A 0.0055

Thread

 N/A 0.3125-24 UNJF-3B