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THREAD: AS8879
MATERIAL: Carbon steel, heat treated.
FINISH: Cadmium plated per NASM25027. Kaylube molybdenum disulfide dry lubricant coated per AS5272.
PROCUREMENT SPEC: NASM25027, except axial tensile strength as tabulated, based on 160 000 PSI.
TEMPERATURE: 450°F.
VARIATIONS: Add "BC" for bottom countersunk rivet holes. Example: K2400-3BC.
Unit of Measure

Specifications

A ± .005

 N/A 0.344

B - REF

 N/A 0.215

C ± .002

 N/A 0.312

D - MIN

 N/A 0.254

E REF

 N/A 0.207

H - MAX

 N/A 0.281

L - MAX

 N/A 0.993

R
+.005
-.000

 N/A 0.098

T - REF

 N/A 0.040

W - MAX

 N/A 0.414

Axial Tensile Strength (LBS. MIN)

 N/A 6470

Approx. Weight (LBS/100)

 N/A 0.500

Bottom countersunk rivet holes

 N/A No

Thread Type

 N/A Unified

Configuration 1

 N/A One Lug

Configuration 2

 N/A Fixed

Lock

 N/A Crimp Lock

Simplified Material

 N/A Alloy Steel

Strength

 N/A 160KSI - 1100Mpa

Temperature

 N/A 450°F - 235°C

Thread

 N/A 0.2500-28 UNJF-3B