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THREAD: AS8879
MATERIAL:
  • Channel - 2024 aluminum alloy alclad per AMS 4040 (UNS A82024), or 7075 aluminum alloy per AMS 4048 (UNS A87075).
  • Nut - C1050 carbon steel per AMS 5085 (UNS G1050).
FINISH:
  • Channel - None.
  • Nut - Cadmium plate per AMS-QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant per AS5272, Type I.
PERFORMANCE: NASM25027, except for axial tensile strength as tabulated, is equivalent to 160 000 PSI, at the pitch diameter and will be obtained when tested on bolts or screws having a minimum tensile strength of 180 000 PSI.
FLOATABILITY: From the center line of hole - longitudinally .030 min., laterally .01 min.
Unit of Measure

Specifications

D - MIN

N/A 0.317

F - REF

N/A 0.218

H - MAX

N/A 0.328

P - REF

N/A 0.375

V - REF

N/A 0.040

W - MAX

N/A 0.609

Axial Tensile Strength (LBS. MIN)

N/A 10200

Min. Nut Spacing

N/A 0.875

Cut Off - MIN

N/A 0.469

S - Nut Spacing

N/A 3.000

Max. No. of Nuts per 6 ft

N/A 24

Approx. Nut Weight (LBS/100)

N/A 0.52

Approx. Channel Weight (LBS/INCH)

N/A 0.0043

Thread Type

N/A Unified

Configuration 1

N/A Straight

Simplified Material

N/A Aluminum

Strength

N/A 160KSI - 1100Mpa

Temperature

N/A 250°F - 120°C

Thread

N/A 0.3125-24 UNJF-3B