Choosing Your Backshell

EMI/RFI Backshells

Isodyne connector backshells are compatible with a wide range military mil-spec and commercial connectors. Our tool-less braid termination system enables fast assembly times. Easy re-entry for re-pinning or repair. Our connector backshells also offer superior EMI/RFI protection. In addition to standard connector products, we also offer custom solutions and rapid prototyping to build connector backshells that meet your criteria. Cage Code: 031M6

Our Backshells Provide

  • Superior EMI Performance
  • Shorter Lead Times
  • Fastest Assembly Time
  • RoHS Compliance
  • 100% Field Repairable
  • Fastest Rework Time
  • Custom Backshells & Design

Isodyne Eliminates

  • Solder Sleeves
  • Calibrated Crimping Tools
  • Loose Band-It Bands
  • Poor Connector EMI Performance
  • Tools to Assemble or Disassemble
Backshell Series Standard Mil Connectors Quick-tie Strain Relief Double Banding Spring Band Boot Groove Straight 45° 90° Split Access Termination Slots D-Sub
 RJ45  x  x  x  x
101  x  x  x  x  x
135  x  x  x  x  x  x  x  x
150  x  x  x  x  x  x  x
 155  x  x  x  x  x  x  x  x
 160  x  x  x  x  x  x  x  x
165  x  x  x  x x  x  x  x  x
 170  x  x  x  x  x  x
 180  x  x  x  x  x  x  x  x
 191  x  x  x  x  x  x
 200  x  x  x  x  x  x  x  x  x
205  x  x  x  x  x  x  x  x  x
 207  x  x  x  x  x  x  x  x
215  x  x  x  x  x  x  x
 605  ARINC  x  x  x  x  x  x  x

Isodyne Connector Backshell Part Number Breakdown

Example: ISOHS150NF1504-5S
ISO Isodyne
H Connector designator. See table 1 for connector options.
S Angular Type: S – Straight, H – 45°, J – 90°
150 Standard 150 series: Single Banding
NF Finish: See table 2 for available finishes.
Call for additional plating options.
15 Connector shell size. See table 1 for connector shell sizes.
04- Cable entry designator. See table 3 for cable entry sizes.
5 LENGTH DOES NOT APPLY TO 45° & 90° BACKSHELLS, STRAIGHTS ONLY
Length in 1/4 inch increments. Minimum length is 1.25 inches (5) for style 1. When maximum cable entry is exceeded style 2 will be supplied. Minimum length for style 2 is 1.5 inches (6). Please review table 4 for maximum cable entries for each connector shell size. Style 2 does not affect 45° & 90° part number makeup.
1 Slots

Connector Backshell Options

Table 1 – Connector Options
Call (316) 682-5634 for complete connector options.
CONNECTOR DESIGNATOR CONNECTOR SPECIFICATION SERIES CONNECTOR SHELL SIZES
(dependent on connector part number)
A MIL-C-5105
MIL-C-26482
MIL-C-81703
MIL-C-83723
DEF 5926-3
LN 29504
NFC 93422
PAN 6432-1
PAN 6432-2
PATT 602
MS3400


Ⅰ & Ⅲ
08, 10, 12, 14, 18, 20, 22, 24
D MIL-C-26482 08, 10, 12, 14, 16, 18, 20
F MIL-C-38999
4CM38277
NFC 93422
Ⅰ & Ⅱ 08, 10, 12, 14, 16, 18, 20, 22, 24
G MIL-C-28840 09, 11, 13, 15, 17, 19, 23
H MIL-C-38999 Ⅲ & Ⅳ 09, 11, 13, 15, 17, 19, 21, 23, 25

Connector Backshell Finish Options

Table 2 – Finishes
B Cadmium / Olive Drab
J Gold Iridite over Cadmium Plate over Nickel
LF Cadmium Plate / Bright Over Electroless Nickel
M Electroless Nickel
N Cadmium Plate / Olive Drab over Nickel
P2 Nickel Plate IAW SAE-AMS-QQ-N-290, Class I Grade D over Double Zincate Coating IAW ASTM-B-253
NF CAD / OD Over Electroless Nickel (500 HR. Salt Spray)
NT Nickel / Teflon – Consult Factory for Details
T Cadmium Plate / Bright DMP over Nickel
U Cadmium Plate / Black
Z1 Passivate SS
ZN Zinc Nickel / OD over Electroless Nickel

Cable Entry Dimensions

Table 3
Cable Entry Designator Cable Entry Size in Inches
01 .125
31 .188
02 .250
32 .312
03 .375
33 .438
04 .500
34 .562
05 .625
35 .688
06 .750
36 .812
07 .875
37 .938
08 1.000
38 1.062
09 1.125
10 1.250
11 1.375
12 1.500
13 1.625
14 1.750
15 1.875
16 2.000

Maximum Cable Entry Per Connector Shell Size

Table 4
SHELL SIZES MAX ENTRY DESIGNATOR A MAX ENTRY DESIGNATOR F, H, L
08 09 02 02
10 11 03 03
12 13 04 04
14 15 34 05
16 17 35 06
18 19 06 07
20 21 07 08
22 23 08 09
24 25 09 10
28 11 N/A
When maximum bacle entry is exceeded style 2 will be supplied. Minimum length mist be 1.50 inches (straights only).
Example: ISOHS150NF0903 – STRAIGHT
Example: ISOHJ150NF0903-S – 90°