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THREAD: AS8879
MATERIAL:
  • Channel - 7075-T6 aluminium alloy alclad.
  • Retainer and Nut - Carbon steel, heat treated.
  • Washer - 7075-T6 aluminium alloy.
  • Seal - Rubber per MIL-R-6855, Class 1, durometer A70.
  • Clip - Corrosion resistant steel.
FINISH:
  • Nut - Cadmium plate per AMS-QQ-P-416, Type II, Class 2, plus Kaylube molybdenum disulfide dry lubricant coated.
  • Channel - Anodized per MIL-A-8625.
  • Retainer - Cadmium plated per AMS-QQ-P-416.
  • Clip - Passivate per AMS2700.
PERFORMANCE: NASM25027, except push out and twist out as shown. These values apply both separately and combined.
FLOATABILITY: .020 min radially from center.
TEMPERATURE: 80°F - 250°F
PRESURE RANGE: Up to 50 PSI (static differential pressure).
NOTES:
  • Spacing of nuts indicated by second dash No. (Spacing of nuts in .125 inch)
  • No. of nuts applies to standard channel length.
Unit of Measure

D

 N/A 0.302-0.292

F - REF

 N/A 0.419

G - REF

 N/A 0.369

H - MAX

 N/A 0.753

P

 N/A 0.636-0.628

V - REF

 N/A 0.040

W - MAX

 N/A 0.840

X - MAX

 N/A 0.687

Push Out (LBS. MIN)

 N/A 125

Twist Out (IN. LBS. MIN)

 N/A 100

S - Nut Spacing

 N/A 1.625

L - REF

 N/A 71.437

No. of Nuts

 N/A 44

Approx. Nut & Clip Weight (LBS/100)

 N/A 1.34

Approx. Channel Weight (LBS/INCH)

 N/A 0.0055

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