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THREAD: AS8879
MATERIAL:
  • Nut and Basket - Carbon steel, heat treated.
  • Retaining clip - 18-2MN (NITRONIC) series corrosion resistant steel.
FINISH:
  • Basket - Cadmium plated per fed spec AMS-QQ-P-416, Type II, Class 2.
  • Nut -

    • F49069-(*)-(*) - Cadmium plated per AMS-QQ-P-416, Type II, Class2 and Kaylube molybdenum disulfide dry lubricant coated.
    F49069-(*)-(*)CW - Cadmium plated per AMS-QQ-P-416, Type II, Class 2. Kaywax added.
    F49069X(*)-(*) - Cadmium plated per AMS-QQ-P-416, Type II, Class 2. "No lube".
  • Retaining clip - None.
PERFORMANCE: NASM25027, except for reusability of 100 cycles and push out and twist out values as tabulated.
FLOATABILITY: .030 radially from center.
TEMPERATURE: 450°F.
Unit of Measure

Specifications

A - MAX

 N/A 1.292

B - REF

 N/A 0.620

C

 N/A 0.505-0.495

D - MIN

 N/A 0.254

H - MAX

 N/A 0.532

J

 N/A 1.002-0.998

K

 N/A 0.103-0.098

M - MIN

 N/A 0.313

P - REF

 N/A 0.312

R - MIN

 N/A 0.125

V - REF

 N/A 0.032

W - MAX

 N/A 0.544

Push Out (LBS. MIN)

 N/A 225

Twist Out (LBS. MIN)

 N/A 160

Approx. Weight (LBS/100)

 N/A 1.380

Finish

 N/A Cadmium Plate per MIL-N-25027 plus Kaylube Molybdenum Disulfide Dry Lubricant Coat

Thread Type

 N/A Unified

Configuration 1

 N/A Two Lug

Configuration 2

 N/A Floating

Lock

 N/A Crimp Lock

Simplified Material

 N/A Alloy Steel

Strength

 N/A 125KSI - 900Mpa

Temperature

 N/A 450°F - 235°C

Thread

 N/A 0.2500-28 UNJF-3B