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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 0.596

D (REF)

N/A 0.312

F - MAX

N/A 0.298

H - MAX

N/A 0.365

M - MIN

N/A 0.125

P - MIN

N/A 0.254

V - REF

N/A 0.040

W - MAX

N/A 0.532

Cut Off - MIN

N/A 0.406

Push Out (LBS. MIN)

N/A 225

Torque Out (LBS-IN MIN)

N/A 160

S - Nut Spacing

N/A 0.625

No. of Nuts

N/A 115

Approx. Nut & Clip Weight (LBS/100)

N/A 0.43

Approx. Channel Weight (LBS/INCH)

N/A 0.0041

Thread Type

N/A Unified

Configuration 1

N/A Straight

Configuration 2

N/A Replaceable Nut

Simplified Material

N/A Aluminum

Strength

N/A 125KSI - 900Mpa

Temperature

N/A 250°F - 120°C

Thread

N/A 0.2500-28 UNJF-3B