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Backshells, Adaptors and Accessories

DESIGN GUIDE AND PRODUCT
SELECTION FOR CONNECTOR
BACKSHELLS (ADAPTORS)
Product options for environmental sealing, strain relief and cable shield termination.

Product Options

Material: Aluminum alloy, bronze, stainless steel, cadmium, olive drab, over electroless nickel, composite, cadmium, olive drab, or zinc cobalt over electroless nickel.
Corrosion resistance (adaptor and shield termination ring or band), 500 hour salt spray finish.

Style: Spin coupling, straight, unless otherwise stipulated to allow connector keying and re-entry for connector pin repair.

Environmental: Proper (matched) connector seat with O ring interfacial seal (if required)
  • Anti-rotation teeth
  • Grove for Heat-shrinkable boot (if required)
  • Land for shield termination (if required)
  • Immersion resistant
  • Torque values (see table on page 23)
Shield Termination:
  • DC resistance:
  • Pull out force:
  • Operating temperature range:
  • Vibration:
 360º shield termination

< 10 milliohm
100 lbs or braid break failure
-65°C to 150°C
MIL-STD-167B, para 5.1.3.3.3
PART NUMBERING SYSTEM


Backshells, Adaptors and Accessories

Connector Type Code Connector Type Code
D38999 Series I or II A M28840 Series F
D38999 Series III or IV B Feedthroughs K
MS3475 Series II C MIL-C-81511 T*
Transitions and breakouts D MIL-C-83723 C or S*
ITI and AC347x Series C MIL-C-22992 V*
MS3106 Series M M26482 Series 1 J*
MS3456 C M26482 Series 2 C*
IT2, IT3, IT4, IT5, IT8 B All others See chart
Material
A Aluminum
S Stainless steel
B Navy bronze
C Composite
Profile
0 Straight
1 45° angle
2 90° angle (right angle)

Finish
N Environmental, electroless nickel
B Environmental, olive drab cadmium, 500 hr. salt spray
T Environmental, nonmetallic, MIL-I-817651/1 performance
Z Zinc cobalt

Shell Size
Code letter A B c d e f G H J K L M n
Shell size (mm) 9 11 13 15 17 19 21 23 25
Shell size (1/16”) 8 10 12 14 16 18 20 22 24 26 28 30 32
Feedthrough (mm) 12 16 20 24 30 36 48 60

Backshells, Adaptors and Accessories

BACKSHELL ENTRY SIZE
Entry Size Max Cable Diameter (in) Entry Size Max Cable Diameter (in)
04 0.250 12 0.750
05 0.312 14 0.875
06 0.375 16 1.000
07 0.437 18 1.125
08 0.500 20 1.250
10 0.625 22 1.375

OPTIONS

Termination
0 No Termination
1 A size termination ring
2 B size termination ring
3 C size termination ring
4 EMI band termination

Boot Selection Chart
Entry Size Boot Size
04 ITMP-XXXX121
05/06 ITMP-XXXX132
07/08 ITMP-XXXX142
10/12 ITMP-XXXX153
14/16 ITMP-XXXX163
Email: sales@IconnectIT.co.uk

Products Qty.
FC-FBT240
FC-FBT400
ITC-5-1-1-P-305M
ITMP382A023