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THREAD: AS8879
MATERIAL: H14-04 thru H14-6 carbon or alloy steel, heat treated. H14-7 thru H14-20 430 alloy steel per AMS6414 or AMS6415 (UNS G43400) or 8740 alloy steel per AMS6322 (UNS G87400).
FINISH: Cadmium plate per AMS-QQ-P-416, Type II, Class 2 and molybdenum disulfide dry film lubricant per AS5272, Type I.
PERFORMANCE: NASM25027 except axial tensile strength as tabulated.
TEMPERATURE: 450°F
NOTES: "C" and "W" dimensions apply after self-locking action. Unless otherwise specified, surface finish 125 microinches.
Unit of Measure

Specifications

A - MAX

 N/A 2.019

B - MIN

 N/A 1.969

C - MIN

 N/A 1.620

D

 N/A 1.280-1.250 1.280 in

F ± .015

 N/A 0.040

H - MAX

 N/A 1.230

H - MIN

 N/A 1.200

S - MIN

 N/A 0.665

V - REF

 N/A 0.170

W

 N/A 1.440 in1.440-1.427

X - MIN

 N/A 0.285

Y

 N/A 0.011

Axial Tensile Strength (LBS. MIN)

 N/A 179700

Thread Type

 N/A Unified

Configuration 1

 N/A Hex

Configuration 3

 N/A Reduced Height

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 1.2500-12 UNJF-3B

Part Family

 N/A H14