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THREAD: AS8879
MATERIAL:
  • Nut and Basket - alloy steel or carbon steel, heat treated.
  • Clip - cres. or ARMCO 18-2MN.
FINISH:
  • Nut - F50733-(*)-(*) Cadmium plated per fed. spec. AMS-QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant coated per AS5272.

  • F50733X(*)-(*) Cadmium plated per fed. spec. AMS-QQ-P-416, Type II, Class 2.
  • Basket - Cadmium plate per fed. spec. AMS-QQ-P-416, Type II, Class 2.
  • Clip - Passivate per AMS2700.
PERFORMANCE: NAS 3350, Class I, except as follows:
  • Reusability of 50 cycles using CAD plate steel bolts, seated to maximum torque values as tabulated. (applies to "No Code" parts only).
  • Push out and twist out values as tabulated when applied both separately and combined.
VARIATIONS: Add "BC" for bottom countersunk rivet holes. Example: F50733-3-4BC.
FLOATING: .030 min radially from centered position.
Unit of Measure

Specifications

A - MAX

N/A 1.306

B - MAX

N/A 0.584

C

N/A 0.505-0.495

D - MIN

N/A 0.254

H - MAX

N/A 0.295

J

N/A 0.314-0.310

K

N/A 0.103-0.098

M - MIN

N/A 0.070

V - MAX

N/A 0.037

W - REF

N/A 0.554

Push Out (LBS. MIN)

N/A 150

Twist Out (LBS. MIN)

N/A 160

Seating Torque (LBS.MAX)

N/A 60

Approx. Weight (LBS/100)

N/A 1.230

Bottom countersunk rivet holes

N/A No

Nut Finish

N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2

Thread Type

N/A Unified

Configuration 1

N/A One Lug

Configuration 2

N/A Floating

Configuration 3

N/A Replaceable Nut

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