Protective Covers 660-051 • 660-052 Composite MIL-DTL-83723 Series III Protective Covers Basic Part Number 660-051 - Plug 660-052 - Receptacle 660-051 Connector Shell Size (See Table I) XO Finish Symbol (See Table II) 20 Attachment Length (In Inches) R 6 - 04 Attachment Type See Table III on Page B-2 660-051 MIL-DTL-83723 SERIES III THREADED PLUG COVER A Ring Style Dash Number See Tables IV, V, VI and VII on Page B-2 660-052 MIL-DTL-83723 SERIES III THREADED RECEPTACLE COVER .618 (15.7) MAX .757 (19.2) MAX A THREAD .047 (1.2) MAX .047 (1.2) MAX B B D ATTACHMENT LENGTH ATTACHMENT LENGTH TABLE I: CONNECTOR SHELL SIZE NO. SHELL A THREAD B DIA SIZE CLASS 2A/2B MAX 08 9/16 - 24 UNEF .776 (19.7) 10 11/16 - 24 UNEF .906 (23.0) 12 7/8 - 20 UNEF 1.078 (27.4) 14 15/16 - 20 UNEF 1.141 (29.0) 16 1 1/16 - 18 UNEF 1.266 (32.2) 18 1 3/16 - 18 UNEF 1.375 (34.9) 20 1 5/16 - 18 UNEF 1.510 (38.4) 22 1 7/16 - 18 UNEF 1.625 (41.3) 24 1 9/16 - 18 UNEF 1.760 (44.7) E TABLE II Symbol Finish Description XB No Plating - Black Color (Non-Conductive Finish) XM 2000 Hour Corrosion Resistant Electroless Nickel XMT 2000 Hour Corrosion Resistant Ni-PTFE, NickelFluorocarbon Polymer. 1000 Hour GreyTM XO No Plating - Brown Color (Non-Conductive Finish) XW 2000 Hour Corrosion Resistant Cadmium/Olive Drab over Electroless Nickel Metric dimensions (mm) are in parentheses and are for reference only. © 2009 Glenair, Inc. CAGE Code 06324 Printed in U.S.A. GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912 E-Mail: [email protected] B-7 www.glenair.com C GASKET GASKET A THREAD B F G