Backshells and Accessories 660-049 • 660-050 Composite MIL-DTL-38999 Series III Threaded Protective Covers 660-049 XO 21 R 6-04 Ring Style Dash No. (Tables IV, V, VI, VII, Page I-27) Product Series Basic Number 049 = Plug 050 = Receptacle Attachment Length (Inches) Attachment Type (Table III, Page I-27) Finish (Table II) Connector Shell Size (Table I) 660-049 MIL-C-38999/32 PLUG COVER 660-050 MIL-C-38999/33 RECEPTACLE COVER TABLE I: CONNECTOR SHELL SIZE Shell Size A Thread B Dia Max TABLE III: FINISH C Dia Max SYM MATERIAL XM Composite Electroless Nickel FINISH XW Composite Cadmium Olive Drab over Electroless Nickel 09 .6250-0.1P-0.3L-TS .906 (23.0) .990 (25.1) 11 .7500-0.1P-0.3L-TS 1.024 (26.0) 1.105 (28.1) 13 .8750-0.1P-0.3L-TS 1.220 (31.0) 1.235 (31.4) XB Composite No Plating - Black Material 15 1.0000-0.1P-0.3L-TS 1.300 (33.0) 1.290 (32.8) XO Composite 17 1.1875-0.1P-0.3L-TS 1.457 (37.0) 1.460 (37.1) No Plating - Base Material Non-Conductive 19 1.2500-0.1P-0.3L-TS 1.575 (40.0) 1.560 (39.6) 21 1.3750-0.1P-0.3L-TS 1.732 (44.0) 1.680 (42.7) 23 1.5000-0.1P-0.3L-TS 1.811 (46.0) 1.810 (46.0) 25 1.6250-0.1P-0.3L-TS 1.969 (50.0) 2.050 (52.1) © 2006 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] I-29 www.glenair.com