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THREAD: AS8879
MATERIAL: Nut and basket - C1050 carbon steel per AMS 5085 (UNS G10500).
HEAT TREAT: Rc 49 max.
FINISH:
  • F2000-(*) Cadmium plate per AMS-QQ-P-416, Type II, Class 2 plus Kaylube molybdenum disulfide dry film lubricant per AS5272, Type I.
  • F2000X(*) Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
  • F2000-(*)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: F2000-4BCCW.
NOTES:
  1. FLOATABILITY: .030 min. radially from centered position.
  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

 N/A 1.306

C ± .005

 N/A 0.500

D - MIN

 N/A 0.254

G ± .010

 N/A 0.200

H - MAX

 N/A 0.281

J ± .002

 N/A 0.312

K +.005 / -.000

 N/A 0.098

M - MIN

 N/A 0.062

P

 N/A 0.330-0.310

R - MIN

 N/A 0.100

V - MAX

 N/A 0.032

W

 N/A 0.531-0.350

Approx. Weight (LBS/100)

 N/A 0.760

Bottom countersunk rivet holes

 N/A No

Finish

 N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 plus Kaylube Molybdenum Disulfide Dry Film Lubricant per AS5272, Type I

Thread Type

 N/A Unified

Configuration 1

 N/A One Lug

Configuration 2

 N/A Floating

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