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THREAD: AS8879
MATERIAL: A286 corrosion resistant steel per AMS 5732 or AMS 5737 (UNS S66286).
FINISH: Silver plate per AMS 2411.
PERFORMANCE: NASM25027
NOTES: "C" and "W" dimensions apply before forming self-locking feature.
Unit of Measure

Specifications

A - MAX

0.420

C - MIN

0.313

H - MAX

0.219

S - MIN

0.090

V - REF

0.045

W

0.284 in0.284-0.274

Approx. Weight (LBS/100)

0.240

Thread Type

Unified

Configuration 1

Hex

Configuration 3

Reduced Height

Lock

Crimp Lock

Simplified Material

CRES

Strength

160KSI - 1100Mpa

Temperature

800°F - 425°C

Thread

0.2500-28 UNJF-3B

Part Family

H41