MIL MIL-PRF-19500/276H

SEMICONDUCTOR DEVICE, THYRISTORS (CONTROLLED RECTIFIERS), SILICON, TYPES 2N2323, 2N2324, 2N2326, 2N2328, 2N2329, AND S AND U4 VERSIONS, 2N2323A, 2N2324A, 2N2326A, 2N2328A, 2N2329A, AND AS AND AU4 VERSIONS, JAN, JANTX, AND JANTXV(SUPERSEDING MIL-PRF-19500/276G)
standard by Military Specifications and Standards, 03/22/2006