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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 0.720

C

 N/A 0.505-0.495

D (REF)

 N/A 0.317

H - MAX

 N/A 0.344

J

 N/A 1.002-0.998

K

 N/A 0.135-0.130

M - MIN

 N/A 0.070

R - MIN

 N/A 0.125

V

 N/A 0.045-0.035 0.045 Inch

W - MAX

 N/A 0.643

Approx. Weight (LBS/100)

 N/A 1.820

Push Out (LBS. MIN)

 N/A 250

Twist Out (LBS. MIN)

 N/A 280

Seating Torque (LBS.MAX)

 N/A 120

Axial Tensile Strength (LBS. MIN)

 N/A 8000

Bottom countersunk rivet holes

 N/A Yes

Bottom projected weld nibs

 N/A No

Nut Finish

 N/A Silver Plate per AMS 2411

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 0.3125-24 UNJF-3B