Misc. Backshells
and Accessories
AS25042 and AS25043
Protective Plug and ReceptacleCovers
Basic Part Number
MS25042 = Plug Cover
MS25043 = Receptacle Cover
MATING CONNECTOR
AS50151
Finish
D = Cadmium, O.D.
DA = Black Anodize
Shell Size
(Table I)
MS25042 - 20
D
J
G
E Thread
Attachment
L Dia
Gasket
Attachment
M Dia
F
H
K
K
E Thread
MS25042 Plug Cover
MS25043 Receptacle Cover
TABLE I: Shell Size, Thread, Attachment and Dimensions
G
Shell
Size
8
10
12
14
16
18
20
22
24
28
32
36
40
44
48
E
Thread
1/2- 28 UNEF
5/8- 24 UNEF
3/4- 20 UNEF
7/8- 20 UNEF
1- 20 UNEF
1
1/8 18 UNEF
1
1/4 18 UNEF
1
3/8 18 UNEF
1
1/2 18 UNEF
1
3/4 18 UNS
2- 18 UNS
2
1/4 16 UN
2
1/2 16 UN
2
3/4 16 UN
3- 16 UN
F Dia
Max
.562 (14.3)
.687 (17.4)
.812 (20.6)
.937 (23.8)
1.062 (27.0)
1.187 (30.1)
1.312 (33.3)
1.437 (36.5)
1.562 (39.7)
1.812 (46.0)
2.062 (52.4)
2.312 (58.7)
2.562 (65.1)
2.812 (71.4)
3.062 (77.8)
G
Max
.656 (16.7)
.656 (16.7)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
.844 (21.4)
H
Max
.688 (17.5)
.815 (20.7)
1.000 (25.4)
1.125 (28.6)
1.188 (30.2)
1.344 (34.1)
1.469 (37.3)
1.594 (40.5)
1.719 (43.7)
1.969 (50.0)
2.219 (56.4)
2.469 (62.7)
2.719 (69.1)
2.969 (75.4)
3.188 (81.0)
J
K Attachment
Max
Length (Inches)
.469 (11.9)
4.00 (101.6)
.469 (11.9)
4.00 (101.6)
.469 (11.9)
4.50 (114.3)
.469 (11.9)
4.50 (114.3)
.469 (11.9)
4.50 (114.3)
.469 (11.9)
4.50 (114.3)
.469 (11.9)
5.00 (127.0)
.469 (11.9)
5.00 (127.0)
.469 (11.9)
5.50 (139.7)
.531 (13.5)
7.75 (196.9)
.531 (13.5)
7.75 (196.9)
.531 (13.5)
7.75 (196.9)
.531 (13.5)
7.75 (196.9)
.531 (13.5)
7.75 (196.9)
.531 (13.5)
7.75 (196.9)
L Dia
Min
.151 (3.8)
.151 (3.8)
.151 (3.8)
.151 (3.8)
.151 (3.8)
.151 (3.8)
.182 (4.6)
.182 (4.6)
.182 (4.6)
.182 (4.6)
.213 (5.4)
.213 (5.4)
.213 (5.4)
.213 (5.4)
.213 (5.4)
M Dia
Min
.135 (3.4)
.135 (3.4)
.135 (3.4)
.135 (3.4)
.135 (3.4)
.135 (3.4)
.135 (3.4)
.135 (3.4)
.166 (4.2)
.166 (4.2)
.182 (4.6)
.182 (4.6)
.182 (4.6)
.182 (4.6)
.182 (4.6)
APPLICATION NOTES
1.
2.
For complete dimensions, see the applicable
Military Specification.
3.
© 2013 Glenair, Inc.
Assembly identified with manufacturer’s name
and part number, space permitting.
Metric dimensions (mm) are in parentheses.
Dimensions in inches (millimeters) and are subject to change without notice.
U.S. 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
G-2
E-Mail: sales@glenair.com
