MIL-Spec (QPL) Backshell

AS85049 qualified MIL-Spec products

At Compaero India, reliability is crucial for mission-critical interconnect solutions. Our AS85049 qualified MIL-Spec products are essential in systems where failure is not an option. We provide a diverse selection of QPL Qualified backshells, showcasing precision engineering and excellence. Each product is designed, manufactured, and tested to meet AS85049 standards for optimal performance in defense and aerospace applications.

Choose Compaero India for MIL-Spec products that ensure top quality and responsive service when performance matters most.

Shown on the right is a Shield Termination Boot Accommodation Adapter, featuring Olive Drab Cadmium -Electroless Nickel Selective Plating with Polysulfide Sealant Strips.

Shield Termination Boot Accommodation Adapter
M85049/14

BACKNUT

M85049/27

BACKNUT

M85049/31

BACKNUT

M85049/60-1

SHRINK BOOT ADAPTER

M85049/60-2G

SHRINK BOOT ADAPTER

M85049/62

SHRINK BOOT ADAPTER

M85049/69

SHRINK BOOT ADAPTER

M85049/82, M85049/83, M85049/84

BAND LOCK ADAPTERS

M85049/85, M85049/86, M85049/87

BAND LOCK ADAPTERS

M85049/88, M85049/89, M85049/90

BAND LOCK ADAPTERS

M85049/109, M85049/111

PRE-SHIELDED BAND LOCK ADAPTERS

M85049/112, M85049/114

PRE-SHIELDED BAND LOCK ADAPTERS

M85049/115, M85049/117

PRE-SHIELDED BAND LOCK ADAPTERS

Technical Reference

MILITARY STANDARD BACKSHELLS PART AND PAGE NUMBER INDEX

AS85049
SPECIFICATION
NUMBER
PART
IDENTIFICATION
NUMBER
MILITARY
PART NUMBER
SUPERSEDED
DESCRIPTION CONNECTOR INTERFACE PAGE
NO.
AS85049/14 M85049/14-
M85049/14 N
M85049/14 S
MIL-C-85049/14 E Nut
E Nut, Non-Detent, Self Locking
E Nut, Detented, Self-Locking
MIL-DTL-38999, Ser. III & IV
EN3645
9
AS85049/27 M85049/27-
M85049/27 N
M85049/27 S
MIL-DTL-38999/1 E Nut
E Nut, Non-Detent, Self-Locking
E Nut, Detented, Self-Locking
MIL-DTL-38999 Series I & II 10
AS85049/31 M85049/31-
M85049/31 N
M85049/31 S
MS3416 E Nut
E Nut, Non-Detent, Self-Locking
E Nut, Detented, Self-Locking
AS50151; MIL-DTL-26482, Series 2; AS81703 Series 3; MIL-DTL-83723, Series III 12
AS85049/60 M85049/60-1
M85049/60-2G
MS3158
MS3416
Straight Shrink Boot Adapter
Straight Shrink Boot Adapter
AS50151; MIL-DTL-26482, Series 2; AS81703 Series 3; MIL-DTL-83723, Series III 14 & 15
AS85049/62 M85049/62 M38999/2 Straight Shrink Boot Adapter MIL-DTL-38999 Ser. I & II 16
AS85049/69 M85049/69 MIL-C-85049/69 Straight Shrink Boot Adapter MIL-DTL-38999 Ser. III & IV
EN3645
17
AS85049/82
AS85049/83
AS85049/84
M85049/82
M85049/83
M85049/84
MIL-C-85049/82
MIL-C-85049/83
MIL-C-85049/84
Straight Banding Backshell
45° Banding Backshell
90° Banding Backshell
AS50151; MIL-DTL-26482, Series 2; AS81703 Series 3; MIL-DTL-83723, Series III 18
AS85049/85
AS85049/86
AS85049/87
M85049/85
M85049/86
M85049/87
MIL-C-85049/85
MIL-C-85049/86
MIL-C-85049/87
Straight Banding Backshell
45° Banding Backshell
90° Banding Backshell
MIL-DTL-38999 Series I & II 20
AS85049/88
AS85049/89
AS85049/90
M85049/88
M85049/89
M85049/90
MIL-C-85049/88
MIL-C-85049/89
MIL-C-85049/90
Straight Banding Backshell
45° Banding Backshell
90° Banding Backshell
MIL-DTL-38999 Ser. III & IV
EN3645
24
AS85049/109 M85049/109 88064 Straight Shield Sock Shrink Boot Adapter with Detented or Non-Detent Self-Locking or Non-Self Locking Coupling Nut AS50151; MIL-DTL-26482, Series 2; AS81703 Series 3; MIL-DTL-83723, Series III 26
AS85049/111 M85049/111 89018 90° Shield Sock Shrink Boot Adapter with Optional Self-Locking Coupling Nut AS50151; MIL-DTL-26482, Series 2; AS81703 Series 3; MIL-DTL-83723, Series III 26
AS85049/112 M85049/112 89014 Straight Shield Sock Shrink Boot Adapter with Optional Self-Locking Coupling Nut MIL-DTL-38999 Series I & II 28
AS85049/114 M85049/114 89016 90° Shield Sock Shrink Boot Adapter with Detented or Non-Detent Self-Locking Coupling Nut MIL-DTL-38999 Series I & II 28
AS85049/115 M85049/115 89013 Straight Shield Sock Shrink Boot Adapter with Optional Self-Locking Coupling Nut MIL-DTL-38999 Ser. III & IV
EN3645
30
AS85049/117 M85049/117 89020 90° Shield Sock Shrink Boot Adapter with Optional Self-Locking Coupling Nut MIL-DTL-38999 Ser. III & IV
EN3645
30

MATERIAL & PLATING OPTIONS

MIL FINISH
CODE
BASE MATERIAL OF
ADAPTER BODY AND COUPLING NUT
FINISH DESCRIPTION
A Aluminum Alloy Black Anodize, in accordance with Class 2 of MIL-A-8625, Type II, -65° to +175° C
[500 Hour Salt Spray]
W Aluminum Alloy Cadmium, Olive Drab over suitable underplate, -65° to +175° C
(Not for use in space application)
[1000 Hour Salt Spray]
N Aluminum Alloy Electroless Nickel, in accordance with AMS-C-26074 or AMS2404, -65° to +200° C
(Not for Navy use)
[96 Hour Salt Spray]
Z Aluminum Alloy Zinc Nickel in accordance with ASTM B84 or AMS2417 over suitable underplate. Color will be Black, Conductive and Non-Reflective. Final finish will be electrically Conductive, -65° to +175° C.
(Not for use in space application)
[1000 Hour Salt Spray]
P Aluminum Alloy Cadmium, Olive Drab over electroless nickel, with Polysulfide sealant strips, (Selective Plating), -65° to +175° C.
(Not for use in space application)
[96 Hour Salt Spray]
ZP Aluminum Alloy Zinc Nickel over electroless nickel, with Polysulfide sealant strips, (Selective Plating), -65° to +175° C.
(Not for use in space application)
[96 Hour Salt Spray]

Please note that the colours shown above are for illustrative purposes only-actual finish color may vary.

RECOMMENDED TORQUE VALUES

The below figures are provided to support operators already trained in the installation of heat shrinkable products and harnessing components. They identify the recommended torque values to be used when installing adapters onto circular electrical connectors, to consistently tighten adapters in a controlled manner.

For any questions or further instructions please contact us and we will be happy to assist you.

Connector Accessories onto Connector Threads

SHELL
SIZE
MIL-DTL-26500
MIL-DTL-81511
MIL-DTL-26482 S1
MIL-DTL-38999 S1/S2
MIL-DTL-5015 Solder
MIL-DTL-26482 S2  |  MIL-DTL-28840
MIL-DTL-83723  |  MIL-DTL-22992
MIL-DTL-5015 Crimp  |  MIL-DTL-38999 S3/S4
TORQUE VALUES in-lb / Nm TORQUE VALUES in-lb / Nm
08/09 30-40 3.4-4.5 51-61 5.8-6.9
10/11 30-40 3.4-4.5 71-81 8.0-9.2
12/13 35-45 4.0-5.1 103-113 11.6-12.8
14/15 35-45 4.0-5.1 111-121 12.5-13.7
16/17 35-45 4.0-5.1 111-121 12.5-13.7
18/19 35-45 4.0-5.1 111-121 12.5-13.7
20/21 75-85 8.5-9.6 131-141 14.8-15.9
22/23 75-85 8.5-9.6 131-141 14.8-15.9
24/25 75-85 8.5-9.6 131-141 14.8-15.9
28 115-125 13.0-14.1 143-153 16.2-17.3
32 115-125 13.0-14.1 143-153 16.2-17.3
36 115-125 13.0-14.1 143-153 16.2-17.3
40 155-165 17.5-18.6 159-169 18.0-19.1
44 155-165 17.5-18.6 159-169 18.0-19.1
48 155-165 17.5-18.6 159-169 18.0-19.1

Cable Clamps onto Backshells

CLAMP
SIZE
TORQUE VALUES
in-lb / Nm
01 35-40 4.0-4.5
02 35-40 4.0-4.5
03 35-55 4.0-6.2
04 35-55 4.0-6.2
05 35-55 4.0-6.2
06 40-60 4.5-6.8
07 40-60 4.5-6.8
08 40-60 4.5-6.8
09 80-100 9.0-11.3
10 80-100 9.0-11.3
11 80-100 9.0-11.3
12 80-100 9.0-11.3

Cable Clamp Hardware

THREAD
SIZE
TORQUE VALUES
in-lb / Nm
2-56 1.5-2.5 0.2-0.3
4-40 3.5-4.5 0.4-0.5
6-32 5.0-7.0 0.6-0.8
8-32 7.0-9.0 0.8-1.0
10-32 9.0-11.0 1.0-1.2
1/4-20 11.0-13.0 1.2-1.5