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THREAD: AS8879
MATERIAL:
  • Channel - 7075-T6 aluminum alloy alclad per AMS 4048.
  • Nut - C1050 carbon steel per AMS 5085 (UNS G10500).
  • Retaining Clip - 18-2MN per ASTM A 580 series stainless steel.
FINISH:
  • Channel - Anodize per MIL-A-8625.
  • Nut - Cadmium plate per AMS-QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant per AS5272, Type I.
  • Retaining Clip - None
PERFORMANCE: NASM25027, except for push out and twist out as tabulated. These values apply both separately and combined.
FLOATABILITY: From center line of hole - longitudinally .030, laterally .015.
Unit of Measure

Specifications

B - MAX

 N/A 0.596

C - MIN

 N/A 0.254

H - MAX

 N/A 0.298

P - REF

 N/A 0.312

V - REF

 N/A 0.040

W - MAX

 N/A 0.532

Cut Off - MAX

 N/A 0.406

Push Out (LBS. MIN)

 N/A 225

Twist Out (IN. LBS. MIN)

 N/A 160

R

 N/A 9.250

S - Nut Spacing

 N/A 1.528

Nominal Nut Spacing

 N/A 1 1/2

No. of Nuts

 N/A 19

Approx. Nut Weight (LBS/100)

 N/A 0.38

Approx. Channel Weight (LBS/INCH)

 N/A 0.0041

Thread

 N/A 0.2500-28 UNJF-3B