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THREAD: AS8879
MATERIAL: Carbon steel, heat treated.
FINISH: Cadmium plated per AMS-QQ-P-416, Type II, Class 2, Kaylube molybdenum disulfide dry lubricant coated per AS5272.
PROCUREMENT SPEC: NASM25027, except axial tensile strength as tabulated, based on 160 000 PSI.
FLOATABILITY: .030 radially from center.
TEMPERATURE: 500°F.
VARIATIONS: Add "BC" for bottom countersunk rivet holes. Example: F5400-4BC.
Unit of Measure

Specifications

A ± .005

N/A 0.500

B - REF

N/A 0.300

C ± .002

N/A 1.000

D - MIN

N/A 0.379

H - MAX

N/A 0.344

L - MAX

N/A 1.292

Q - REF

N/A 0.437

R
+.005
-.000

N/A 0.130

T - REF

N/A 0.025

W - MAX

N/A 0.680

Axial Tensile Strength (LBS. MIN)

N/A 15200

Approx. Weight (LBS/100)

N/A 1.640

Bottom countersunk rivet holes

N/A Yes

Thread Type

N/A Unified

Configuration 1

N/A Two Lug

Configuration 2

N/A Floating

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 0.3750-24 UNJF-3B