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THREAD: AS8879
MATERIAL: Carbon steel, heat treated.
FINISH: Cadmium plated per fed spec AMS-QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant coated per AS5272.
PERFORMANCE: NASM25027, except axial tensile strength as tabulated based on 160 000 PSI.
TEMPERATURE: 450°F.
VARIATIONS:
  • Add "BC" for bottom countersunk rivet holes. Example: MK3400-3BC.
  • B Code: For pink indentification. Example: MK3400-5B.
Unit of Measure

Specifications

A - MAX

N/A 0.526

B - REF

N/A 0.215

C ± .005

N/A 0.250

D - MIN

N/A 0.194

E REF

N/A 0.156

H - MAX

N/A 0.220

J ± .002

N/A 0.354

K +.005 / -.000

N/A 0.098

V - REF

N/A 0.032

Axial Tensile Strength (LBS. MIN)

N/A 3620

Approx. Weight (LBS/100)

N/A 0.220

Bottom countersunk rivet holes

N/A Yes

Pink identification

N/A No

Thread Type

N/A Unified

Configuration 1

N/A Corner

Configuration 2

N/A Fixed

Configuration 3

N/A Miniature

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 0.1900-32 UNJF-3B