377-014
Composite Thermoplastic Backshell
for Fiber Optic MIL-DTL-38999 Series III & IV Connectors
TABLE I: SHELL SIZE
Shell
Size
A Thread
ISO Metric
B
Max
Standard
Conduit Size
D
Max
E
Max
F
Max
G
Max
H
Insert
Ident
No. of
Holes
Approx.
11
13
M15 x 1 - 6H 1.000 (25.4)
M18 x 1 - 6H 1.120 (28.4)
M22 x 1 - 6H 1.250 (31.8)
M25 x 1 - 6H 1.380 (35.1)
M28 x 1 - 6H 1.500 (38.1)
M31 x 1 - 6H 1.620 (41.0)
M34 x 1 - 6H 1.750 (44.5)
M37 x 1 - 6H 1.880 (47.8)
M37 x 1 - 6H 1.880 (47.8)
3/8
7/16
1/2
1.780 (45.2) 1.930 (49.0) 1.330 (33.8) 1.560 (39.6) 2.230 (56.6)
1.840 (46.7) 1.980 (50.3) 1.390 (35.3) 1.620 (41.1) 2.280 (57.9)
1.900 (48.3) 2.080 (52.8) 1.450 (36.8) 1.680 (42.7) 2.450 (62.2)
1.970 (50.0) 2.140 (54.4) 1.510 (38.4) 1.740 (44.2) 2.470 (62.7)
2.110 (53.6) 2.180 (55.4) 1.540 (39.1) 1.770 (45.0) 2.540 (64.5)
2.070 (52.6) 2.250 (57.2) 1.160 (40.9) 1.840 (46.7) 2.640 (67.1)
2.140 (54.4) 2.310 (58.7) 1.670 (42.4) 1.890 (48.0) 2.760 (70.1)
2.190 (55.6) 2.190 (55.6) 1.730 (43.9) 1.960 (49.8) 2.840 (72.1)
2.190 (55.6) 2.190 (55.6) 1.730 (43.9) 1.960 (49.8) 2.840 (72.1)
2.190 (55.6) 2.190 (55.6) 1.730 (43.9) 1.960 (49.8) 2.840 (72.1)
11-2
13-4
2
4
15
15-5
5
17
5/8
17-8
8
19
3/4
19-11
21-16
23-21
25-29
25-8
11
16
21
29
8
21
7/8
23
1
25
1
25-8
1 - 1/4
1 - 1/4
25-37 M37 x 1 - 6H 1.880 (47.8)
25-37
37
TABLE I: SHELL SIZE (CONTINUED)
Shell
Size
A Thread
ISO Metric
B
Max
Standard
Conduit Size
J
K
Ref
L
Flats
M
Ref
N
Max
Insert
Ident
No. of
Holes
Approx.
11
13
M15 x 1 - 6H 1.000 (25.4)
M18 x 1 - 6H 1.120 (28.4)
M22 x 1 - 6H 1.250 (31.8)
M25 x 1 - 6H 1.380 (35.1)
M28 x 1 - 6H 1.500 (38.1)
M31 x 1 - 6H 1.620 (41.0)
M34 x 1 - 6H 1.750 (44.5)
M37 x 1 - 6H 1.880 (47.8)
M37 x 1 - 6H 1.880 (47.8)
3/8
7/16
1/2
2.090 (53.1) 1.200 (30.5) .938 (23.8)
2.210 (56.1) 1.260 (32.0) .938 (23.8)
2.330 (59.2) 1.320 (33.5) .938 (23.8)
.320 (81.3) 1.380 (35.1)
.540 (13.7) 1.380 (35.1)
.540 (13.7) 1.380 (35.1)
11-2
13-4
2
4
15
15-5
5
17
5/8
2.440 (62.0) 1.380 (35.1) 1.250 (31.8) .760 (19.3) 1.560 (39.6)
2.500 (63.5) 1.430 (36.3) 1.250 (31.8) .760 (19.3) 1.560 (39.6)
2.640 (67.1) 1.490 (37.8) 1.500 (38.1) 1.000 (25.4) 1.810 (46.0)
2.750 (69.9) 1.550 (39.4) 1.500 (38.1) 1.000 (25.4) 1.810 (46.0)
2.870 (72.9) 1.620 (41.1) 1.812 (46.0) 1.270 (32.3) 2.120 (53.8)
2.870 (72.9) 1.620 (41.1) 1.812 (46.0) 1.270 (32.3) 2.120 (53.8)
2.870 (72.9) 1.620 (41.1) 1.812 (46.0) 1.270 (32.3) 2.120 (53.8)
17-8
8
19
3/4
19-11
21-16
23-21
25-29
25-8
11
16
21
29
8
21
7/8
23
1
25
1
25-8
1 - 1/4
1 - 1/4
25-37 M37 x 1 - 6H 1.880 (47.8)
25-37
37
TABLE III: FINISH
TABLE II: ENTRY SIZE
SYM
–
MATERIAL
Composite
Composite
Composite
FINISH
Entry
Size
C
Ref
Optional
Conduit Size Ref
No Plating
No Plating, Black Color
03
04
05
06
07
08
10
11
13
15
17
.219 (5.6)
.236 (6.0)
.250 (6.4)
.338 (8.6)
.394 (10.0)
.519 (13.2)
.644 (16.4)
.644 (16.4)
.772 (19.6)
.894 (22.7)
1.102 (28.0)
9/32
5/32
3/8
XB
XM
Electroless Nickel - Backshell, No Plating on Coupling Nut
or Rear Entry Components – Amber Color
XW
Composite
Cadmium Plate/Olive Drab over Electroless Nickel Backshell
No Plating on Coupling Nut or Rear Components – Amber Color
7/16
1/2
5/8
APPLICATION NOTES
3/4
3/4
1. Assembly identified with manufacturer’s name and P/N, space permitting.
2. Glenair 600 series Backshell assembly tools are recommended for assembly and installation.
3 Standard min. order length 1.5 inch, consult factory for shorter lengths.
4 For sealing plugs see Glenair drawing 687-142.
7/8
1
1 - 1/4
5. Material:
Adapters, Elbows, Ferrules, Coupling Nut, Nut: Hi- Grade Engineering thermoplastic/ see Table III
Grommet, O-Ring: Fluorosilicone/ N.A.
Anti-Rotation Device: Corrosion Resistant Material/ N.A.
6. Metric dimensions (mm) are indicated in parentheses.
© 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
www.glenair.com
E-Mail: sales@glenair.com
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