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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

0.168

F - REF

0.188

H - MAX

0.225

P - REF

0.250

V - REF

0.032

W - MAX

0.416

Axial Tensile Strength (LBS. MIN)

2500

Min. Nut Spacing

0.625

Cut Off - MIN

0.343

S - Nut Spacing

1.375

Max. No. of Nuts per 6 ft

52

Approx. Nut Weight (LBS/100)

0.12

Approx. Channel Weight (LBS/INCH)

0.0028

Thread Type

Unified

Configuration 1

Straight

Simplified Material

Aluminum

Strength

160KSI - 1100Mpa

Temperature

250°F - 120°C

Thread

0.1640-32 UNJC-3B