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THREAD: AS8879
MATERIAL:
  • Nut - C1050 carbon Steel per AMS5085 (UNS G10500) or 8740 alloy steel per AMS6322 (UNS G87400).
  • Basket - C1050 carbon steel per AMS5085 (UNS G10500).
HEAT TREAT: Rc 49 max.
FINISH:
  • F5000-(*) - Cadmium plate per AMS-QQ-P-416, Type II, Class 2 plus Kaylube molybdenum disulfide dry film lubricant per AS5272, Type I.
  • F5000X(*) - Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
  • F5000-(*)CW - Cadmium plate per AMS-QQ-P-416, Type II, Class 2 and carbowax.
PERFORMANCE: NASM25027.
TEMPERATURE: 450°F.
VARIATIONS: Add "BC" for bottom countersunk rivet holes. Example: F5000-4BCCW.
NOTES:
  1. FLOATABILITY:

    2. .030 minimum radially from centered position.
    .020 maximum axial float for -3 and smaller.
    .030 maximum axial float for -4 and larger.
  2. For -04 and -06 sizes, c'sink or radius within ØP.
  3. Dimpled rivet hole tolerance for ØK is + .015 - .00.
  4. Unless otherwise specified: A) Surface texture 125 microinches.
Unit of Measure

Specifications

A - MAX

 1.292

C ± .005

 0.500

D - MIN

 0.379

G ± .010

 0

H - MAX

 0.344

J ± .002

 1.000

K +.005 / -.000

 0.130

M - MIN

 0.062

P

 0.455-0.435

R - MIN

 0.125

V - MAX

 0.055

W

 0.680-0.475

Approx. Weight (LBS/100)

 1.470

Bottom countersunk rivet holes

 Yes

Finish

 Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 plus Carbowax

Thread Type

 Unified

Configuration 1

 Two Lug

Configuration 2

 Floating

Lock

 Crimp Lock

Simplified Material

 Alloy Steel

Strength

 125KSI - 900Mpa

Temperature

 450°F - 235°C

Thread

 0.3750-24 UNJF-3B