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THREAD: AS8819
MATERIAL:
  • Nut and Basket - A286 corrosion resistant steel per AMS5525, AMS5732 or AMS5737 (UNS S66286).
  • Clip - corrosion resistant steel or ARMCO 18-2MN (NITRONIC).
FINISH:
  • F50732-(*)-(*)

  • Nut - Passivate per AMS2700 and Molybdenum disulfide dry film lubricant coat.
    Basket and Clip - Passivate per AMS2700.
  • F50732-(*)S(*)
    Nut - Silver plate per AMS2411.
    Basket and Clip - Passivate per AMS2700.
PERFORMANCE:NASM25027, except as follows:
  • F50732-(*)-(*) only: reuseability of 50 cycles using A-286 or 13-8 Mo bolts, seated to maximum torque values as tabulated.
  • Push out and twist out values as tabulated when applied both separately and combinated.
  • Axial tensile strength as tabulated.
VARIATIONS:
Add "BC" for bottom countersunk rivet holes. Example: F50732-3-4BC.
Add "P" for projection weld nibs. Example: F50732-3-4P.
NOTES:
  1. FLOABILITY: .030 minimum radialy from centered position.
  2. NUT:
    • F50732-(*)-(*) assembly - use F51442-(*)-(*)XN.
    • F50732-(*)S(*) assembly - use F51442-(*)S(*)XN.
Unit of Measure

Specifications

A - MAX

N/A 1.292

B - MAX

N/A 0.584

C

N/A 0.505-0.495

D (REF)

N/A 0.254

H - MAX

N/A 0.543

J

N/A 1.002-0.998

K

N/A 0.103-0.098

M - MIN

N/A 0.313

R - MIN

N/A 0.100

V

N/A 0.037-0.027 0.037 Inch

W - MAX

N/A 0.547

Approx. Weight (LBS/100)

N/A 1.440

Push Out (LBS. MIN)

N/A 225

Twist Out (LBS. MIN)

N/A 160

Seating Torque (LBS.MAX)

N/A 60

Axial Tensile Strength (LBS. MIN)

N/A 5060

Bottom countersunk rivet holes

N/A Yes

Bottom projected weld nibs

N/A No

Nut Finish

N/A Passivate per AMS2700 and Molybdenum Disulfide Dry Film Lubricant Coat

Thread Type

N/A Unified

Configuration 1

N/A Two Lug

Configuration 2

N/A Floating

Configuration 3

N/A Replaceable Nut

Lock

N/A Crimp Lock

Simplified Material

N/A CRES

Strength

N/A 125KSI - 900Mpa

Temperature

N/A 450°F - 235°C

Thread

N/A 0.2500-28 UNJF-3B