AS85049 Backshells

as85049 backshellsM85049/AS85049 backshells are coupled to the connector body to support and strain relieve the cable entry at the rear of the connector. Depending on type they may also provide a seal and EMI/RFI shielding. They are available in many configurations and styles to suit MIL-DTL-D38999, MIL-DTL-26482, MIL-DTL-83723 and MIL-DTL-5015 connectors. Strain relief clamps are available in either straight or 90-degree variants. Coupling is either self-locking or non self-locking.

Backshells for Military and Aerospace applications are governed by the SAE and the now ratified AS85049 standard. All existing M85049 documents have been superseded by the new standard. Follow our 'how to order 85049' guide.

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85049 Backshell Product Options

Available Plating:

  • Cadmium Olive Drab over Electroless Nickel
  • Aluminium
  • Black Anodized
  • Electroless Nickel
  • Black Zinc Nickel

AS85049 Product Sheet ThumbnailDownload Product Sheet: AS85049 backshells

Shrink Boot Adapters

  • M85049/60-1, M85049/62, M85049/69
  • Used for unshielded cables
  • Used with heatshrink boot
  • Groove for heatshrink lipped boot
85049 Shrink Boot Adapter

Band Lock Adapters

  • Use with heatshrink boot or moulding
  • Screen termination with retention band or constant force spring
85049 Band Lock Adapter

Non-Environmental Backshells

  • M85049/21, M85049-29
  • Strain relief clamp
  • No environmental or EMI protection
85049 Non-Environmental Backshell

Environmental Backshells

  • M85049/7, M85049/9, M85049/11
  • Strain relief and sealing
  • Suitable for 2 meters water immersion
  • Suitable for harsh environment applications
85049 Environmental Backshell

Non-Environmental EMI/RFI Backshells

  • M85049/19, 23, 24, 25, 36
  • strain relief clamp
  • 360-degree screen termination
  • Suitable for individual & overall shielding
85049 Non-Environmental EMI_RFI Backshell

Environmental EMI/RFI Backshells

  • M85049/6,8,10,17,78
  • Strain relief and sealing
  • Offers excellent shielding and sealing
  • Suitable for individual & overall shielding
85049 Environmental EMI_RFI Backshell

Crimp Ring Adapter

  • M85049/20 and M85049/26-3
  • For screened cables
  • Used with heatshrink boot
  • Crimp ring screen termination
85049 Crimp Ring Adapter

Pre-Shielded Adapter

  • M85049/109,111,112,114,115,117
  • Used for screened cables
  • Supplied with a length of braid attached
85049 Pre-Shielded Adapter

SQ Adapter

  • Used for screened cables
  • Cost effective braid termination
  • End nut screen trap
  • Used with heatshrink boot
85049 SQ Adapter

Quick Clamp

  • M85049/15,16, 53, 54, 55, 56, 57, 63
  • Used with cable tie
  • For weight critical applications
85049 Quick Clamp

Strain Relief Clamp

  • M85049/38, 39, 43, 47, 49-2, 51, 52
  • Strain relief clamp
  • No environmental protection offered
85049 Strain Relief Clamp

Grommet Nut

  • M85049/14, M85049/27, M85049/31
  • Compresses grommet to seal and contacts in place
  • Used when no backshell required
85049 Grommet Nut

How to order M85049 with cable clamp for MIL-DTL-38999 connectors

M85049/38 and M85049/39 backshells with cable clamp for MIL-DTL-38999 Series III and IV connectors

Type Connector Size Cable Entry Coupling Nut Cable Diameter (mm)
Diameter (mm) Thread from to
M85049/38S09W 9 straight 19.0/19.8 M12x1 2.5 5.9
M85049/38S11W 11 straight 21.2/22.7 M15x1 3.9 5.9
M85049/38S13W 13 straight 25.0/26.6 M18x1 4.8 8.3
M85049/38S15W 15 straight 28.9/30.1 M22x1 6.6 11.6
M85049/38S17W 17 straight 31.7/33.6 M25x1 7.2 15.6
M85049/38S19W 19 straight 35.5/36.1 M28x1 8.3 16.1
M85049/38S21W 21 straight 39.2/39.4 M31x1 8.7 17.7
M85049/38S23W 23 straight 41.8/42.5 M34x1 9.7 20.9
M85049/38S25W 25 straight 43.7/45.6 M37x1 10.6 21.7
M85049/3909W 9 90degrees 19.0/19.8 M12x1 2.5 5.9
M85049/3911W 11 90degrees 21.2/22.7 M15x1 3.9 5.9
M85049/3913W 13 90degrees 25.0/26.6 M18x1 4.8 8.3
M85049/3915W 15 90degrees 28.9/30.1 M22x1 6.6 11.6
M85049/3917W 17 90degrees 31.7/33.6 M25x1 7.2 15.6
M85049/3919W 19 90degrees 35.5/36.1 M28x1 8.3 16.1
M85049/3921W 21 90degrees 39.2/39.4 M31x1 8.7 17.7
M85049/3923W 23 90degrees 41.8/42.5 M34x1 9.7 20.9
M85049/3925W 25 90degrees 43.7/45.6 M37x1 10.6 21.7

M85049/49-2 and M85049/47 backshells with cable clamp for MIL-DTL-38999 Series I and II connectors

Type Connector Size Cable Entry Coupling Nut Cable Diameter (mm)
Diameter (mm) Thread from to
M85049/49-2S08W 8/9 straight 19.0/19.8 0.438-28 UNEF 2.5 5.9
M85049/49-2S10W 10/11 straight 21.2/22.7 0.562-24 UNEF 3.9 5.9
M85049/49-2S12W 12/13 straight 25.0/26.6 0.688-24 UNEF 4.8 8.3
M85049/49-2S14W 14/15 straight 28.9/30.1 0.813-20 UNEF 6.6 11.6
M85049/49-2S16W 16/17 straight 31.7/33.6 0.938-20 UNEF 7.2 15.6
M85049/49-2S18W 18/19 straight 35.5/36.1 1.063-18 UNEF 8.3 16.1
M85049/49-2S20W 20/21 straight 39.2/39.4 1.188-18 UNEF 8.7 17.7
M85049/49-2S22W 22/23 straight 41.8/42.5 1.313-18 UNEF 9.7 20.9
M85049/49-2S24W 24/25 straight 43.7/45.6 1.438-18 UNEF 10.6 21.7
M85049/47SW08 8/9 90degrees 19.0/19.8 0.438-28 UNEF 2.5 5.9
M85049/47SW10 10/11 90degrees 21.2/22.7 0.562-24 UNEF 3.9 5.9
M85049/47SW12 12/13 90degrees 25.0/26.6 0.688-24 UNEF 4.8 8.3
M85049/47SW14 14/15 90degrees 28.9/30.1 0.813-20 UNEF 6.6 11.6
M85049/47SW16 16/17 90degrees 31.7/33.6 0.938-20 UNEF 7.2 15.6
M85049/47SW18 18/19 90degrees 35.5/36.1 1.063-18 UNEF 8.3 16.1
M85049/47SW20 20/21 90degrees 39.2/39.4 1.188-18 UNEF 8.7 17.7
M85049/47SW22 22/23 90degrees 41.8/42.5 1.313-18 UNEF 9.7 20.9
M85049/47SW24 24/25 90degrees 43.7/45.6 1.438-18 UNEF 10.6 21.7

W = Finish Aluminium, 500 hour Cadmium Olive Drab over Electroless Nickel.

Other options include A = Aluminium, Black Anodize, N = Aluminium, Electroless Nickel, S = Steel Passivated.

S = Self Locking, replace with a dash - for non self locking.