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THREAD: AS8879
MATERIAL: Carbon or alloy steel, heat treated.
FINISH: Cadmium plated per NASM25027, Kaylube molybdenum disulfide dry film lubricant coated.
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: K1400-3BC.
Unit of Measure

Specifications

A ± .005

N/A 0.562

B - REF

N/A 0.327

C ± .002

N/A 1.125

D - MIN

N/A 0.442

H - MAX

N/A 0.390

L - MAX

N/A 1.477

R
+.005
-.000

N/A 0.161

T - REF

N/A 0.074

W - MAX

N/A 0.719

Axial Tensile Strength (LBS. MIN)

N/A 20600

Approx. Weight (LBS/100)

N/A 1.650

Bottom countersunk rivet holes

N/A Yes

Thread Type

N/A Unified

Configuration 1

N/A Two 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 0.4375-20 UNJF-3B