Page 582 - Circular Connector Backshells and Accessories

660-004 (Plug) - 660-005 (Receptacle)
Protective Covers
MIL-C-5015

66 & 78

660-004 M 20 S 6 -04
MIL-C-5015
Basic Part No. Ring or Eyelet Dash No.
660-004 Plug (Tables IV, V, VI, VII)
660-005 Receptacle
Attachment Length (in inches)
Finish (Table II)
Attachment Type (Table III)
Shell Size (Table X)

G .047 (1.2) Max J .047 (1.2) Max
E Thread Gasket
Attachment Type Attachment Type
(Table III)
(Table III)
F H

Length Length

E Thread
660-004 Plug Cover 660-005 Receptacle Cover

TABLE X: SHELL SIZE DIMENSIONS
Shell E F G H J See inside back
Size Thread Max Max Max Max
08 1/2 - 28 UNEF .562 (14.3) .656 (16.7) .688 (17.5) .465 (11.8) cover fold-out or
10 5/8 - 24 UNEF .687 (17.4) .656 (16.7) .815 (20.7) .465 (11.8) page 14 for
12 3/4 - 20 UNEF .812 (20.6) .844 (21.4) 1.000 (25.4) .465 (11.8) Table II.
14 7/8 - 20 UNEF .937 (23.8) .844 (21.4) 1.125 (28.6) .465 (11.8)
16 1 - 20 UNEF 1.062 (27.0) .844 (21.4) 1.188 (30.2) .465 (11.8)
18 1 1/8 - 18 UNEF 1.187 (30.1) .844 (21.4) 1.344 (34.1) .465 (11.8) Metric dimensions
20 1 1/4 - 18 UNEF 1.312 (33.3) .844 (21.4) 1.469 (37.3) .465 (11.8) (mm) are indicated in
22 1 3/8 - 18 UNEF 1.437 (36.5) .844 (21.4) 1.594 (40.5) .465 (11.8) parentheses.
24 1 1/2 - 18 UNEF 1.562 (39.7) .844 (21.4) 1.719 (43.7) .465 (11.8)
28 1 3/4 - 18 UNS 1.812 (46.0) .844 (21.4) 1.969 (50.0) .531 (13.5)
32 2 - 18 UNS 2.062 (52.4) .844 (21.4) 2.219 (56.4) .531 (13.5)
36 2 1/4 - 16 UN 2.312 (58.7) .844 (21.4) 2.469 (62.7) .531 (13.5)
40 2 1/2 - 16 UN 2.562 (65.1) .844 (21.4) 2.719 (69.1) .531 (13.5)
44 2 3/4 - 16 UN 2.812 (71.4) .844 (21.4) 2.969 (75.4) .531 (13.5)
48 3 - 16 UN 3.062 (77.8) .844 (21.4) 3.188 (81.0) .531 (13.5)

© 2005 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
www.glenair.com Series 66 and 78 - Page 2 E-Mail: sales@glenair.com