MIL-DTL-83526 Expanded Beam

FIbre Optic


  • 2Ch / 4Ch Hermaphroditic Expanded Beam Connector System
  • Plugs: With and without Rubber Grip, with Straight or 90 Degree Backshell
  • Receptacles: Jam Nut, Flange Mount, and XLR Compatible Flange Mount, with or without Backshells, QMini to LC adapter
  • Standard Cable OD up to 7.5mm, Extended Heat Shrink Strain Relief up to 10.5mm
  • Designed to MIL-DTL-83526/20 (Plug) & MIL-DTL-83526/21 (Jam Nut Receptacle)
  • Intermateability: Tyco Pro Beam Jr., Amphenol TACBeam, Glenair GMA, Stratos HMA, Fibreco Junior, DiGiCo Compatible
  • Sealed to IP68

MIL-DTL-83526 Expanded Beam


Diamond Defence’s Expanded Beam Fibre Optic Connectors are designed to meet the requirements of MIL-PRF-83526/20 & /21 Military Specifications. Expanded Beam fibre optic connectors are designed to operate in harsh environments, they use non-physical contact fibre optic termini that are fully sealed behind an anti-reflective coated ball lens. This lens expands the beam to many times its original size aiding optical alignment and minimizing the effects of dust, debris, vibration, and other environmental conditions. Because there is no wear on the optical surfaces / end faces of the termini during use, the Expanded Beam connector has excellent durability, in excess of 3,000 mating cycles, providing a long service life interconnect solution

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