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THREAD: AS8879
MATERIAL: Carbon steel, heat treated.
FINISH: Cadmium plate per AMS-QQ-P-416, Type II, Class 2, plus Kaylube molybdenum disulfide dry film lubricant coat per AS5272.
PERFORMANCE: NASM25027, except axial tensile strength as tabulated based on 160 000 PSI.
TEMPERATURE: 450&#176F.
VARIATIONS: Add "BC" for bottom countersunk rivet holes. Example: MK1400-4BC.
Unit of Measure

Specifications

A - MAX

0.661

D - MIN

N/A

J ± .002

0.437

K
+.005
-.000

0.098

W
+.000
-.025

.265

Axial Tensile Strength (LBS. MIN)

1600

Approx. Weight (LBS/100)

0.120

Bottom countersunk rivet holes

Yes

Thread Type

Unified

Configuration 1

Two Lug

Configuration 2

Fixed

Configuration 3

Miniature

Lock

Crimp Lock

Simplified Material

Alloy Steel

Strength

160KSI - 1100Mpa

Temperature

450°F - 235°C

Thread

0.1380-32 UNJC-3B