MIL-PRF-28876 • 180-040
QPL Fiber Optic Connectors
How to Order
MIL-PRF
28876
M28876
QPL
Military QPL M28876/1 through /14 fiber optic connectors
N
=
Not Supplied with Backnut
Omit
=
Supplied with Backnut
Connector
Type
(Table IV)
Insert
Arrangement
Number
(Table II)
Terminus Style
P
= Pin
S
= Socket
Applies to connector assembly selections that
do not include a backshell. (See Table IV).
N
facilitates the use of non-integral backshells
by exposing accessory threds
M28876/7
C
Shell
Size
(Table II)
1
1
Backshell
Designator
P
1
N
Materials and Finish
Note: All M28876 Part Numbers
are supplied standard with
Cadmium Plate, Olive Drab
(1000 Hrs. Salt Spray) over
Aluminum Alloy.
C
Keying Position
1 thru 6
(Table III)
(Cable Entry Size)
Omit for Non-
Backshell
Connectors
(See Table V)
Glenair commercial equivalent MIL-PRF-28876 type fiber optic connectors
Keying
Position
0 thru 6
(Table III)
Product
Series and
Basic Number
Connector
Type
(Table IV)
Number of
Terminus
Cavities
(Table II)
N
=
Not Supplied with Backnut
Omit
=
Supplied with Backnut
Applies to connector assembly selections
that do not includea backshell.
(See Table IV)
180-040
NF
Material/
Finish
Code
(Table I)
16
-
15
-
08
-
1
-
1
Shell
Size
(Table II)
P
N
Backshell Designator
(Cable Entry Size)
Omit for Non-Backshell
Connectors (See Table V)
Terminus Style
P
= Pin
S
= Socket
Additional material/finish options are available.
Consult factory.
© 2013 Glenair, Inc.
CAGE Code 06324
Printed in U.S.A.
Materials and Finish
GLENAIR, INC.
•
1211 AIR WAY
•
GLENDALE, CA 91201-2497
•
818-247-6000
•
FAX 818-500-9912
E-Mail: sales@glenair.com
www.glenair.com
C-6
How to Order
Table I: Material and Finish (Commercial)
Code
M
NF
MT*
ZR
Aluminum
Alloy
Material
Finish Description
Electroless Nickel
Cadmium,
Olive Drab
Nickel-PTFE,
Grey
Zinc-Nickel, Black
Table ll: Shell Size and Insert Arrangement
Mil-Spec
Shell Size
A
B
C
F
Insert
Arrangement
1
1
2
1
2
Shell Size
11
13
15
23
Commercial
Number of Cavities
02
04
06
08
18
31
Refer to Appendix for material/finish details
1
Consult factory for QPL status
Table IV: Connector Type
Connector Type Backshell Type
Table V: Backshell Designator
Backshell
Designator
1
2
3
Max Allowable Cable Diameter
by Shell Size
A
(11)
B
(13)
C
(15)
F
(23)
.250 (6.4) .285 (7.2) .500 (12.7) .866 (22.0)
.346 (8.8) .346 (8.8) .250 (6.4) 1.000 (25.4)
.453 (11.5) .375 (9.5) .600 (15.2)
Plug
None
Straight
45°
90°
Straight
None
Straight
45°
90°
None
Jam Nut Re-
ceptacle
Straight
45°
90°
MIL-Spec
M28876/1
M28876/2
M28876/3
M28876/4
M28876/5
M28876/6
M28876/7
M28876/8
M28876/9
M28876/11
M28876/12
M28876/13
M28876/14
Commercial
03
13
23
33
15
06
16
26
36
04
14
24
34
Wall Mount
Receptacle
In-Line
Receptacle
Material and Finish
A. M28876 part numbers supplied standard with Cad plate/olive drab
over aluminum alloy. See Table I for commercial plating options.
B. Hardware: Aluminum alloy/chem film, stainless steel/passivate
C. Insert: Aluminum alloy/anodize
D. Seals: Fluorosilicone
Notes
Termini (Not Supplied with Connector):
M29504/14 - Pin terminus, MIL-Spec
M29504/15 - Socket Terminus, MIL-Spec
M29504/3 - Dummy Terminus, MIL-Spec
181-039 - Pin Terminus, MIL-Spec Style
181-040 - Socket terminus, MIL-Spec Style
181-051 - Dummy Terminus MIL-Spec Style
Backnut retained using thread-locking compound.
Consult factory for appropriate termination and assembly tools/
procedures.
Operating Temperature Range: -55° to +125°C.
Dimensions in Inches (millimeters) are subject to change without notice.
© 2013 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: sales@glenair.com
www.glenair.com
C-7
MIL-PRF
28876
MIL-PRF-28876 • 180-040
QPL Fiber Optic Connectors
C
