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THREAD: AS8879
MATERIAL: Alloy steel, heat threated.
FINISH: Cadmium plated per NASM25027 to meet the salt spray requirments of Fed, Spec. AMS-QQ-P-416, Type II, plating. Kaylube molybdenum disulfide dry lubricant coated per AS5272, Type I after plating.
PROCUREMENT SPEC: NASM25027 except axial tensile strength as tabulated, is equivalent ot 160 000 PSI, at the pitch diameter: and will be obtained when tested on bolts or screws having a minimum tensile strength of 180 000 PSI, and wrench torque applied with standard socket upgraded to 160 000 PSI.
TEMPERATURE RANGE: To 450°F.
MISALIGMENT: Up to 8° in any direction from centered position when seated on mating K19301 washer.
Unit of Measure

Specifications

Used with washer

N/A K19301-5

H - MAX

N/A 0.266

L - MAX

N/A 0.520

N - MIN

N/A 0.419

R + .015

N/A 0.375

W

N/A 0.376 in0.376-0.367

X - MAX

N/A 0.350

Axial Tensile Strength (LBS. MIN)

N/A 9820

Approx. Weight (LBS/100)

N/A 0.520

Thread Type

N/A Unified

Configuration 1

N/A Hex

Configuration 2

N/A Self-Aligning

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 0.3125-24 UNJF-3B

Part Family

N/A H19300