Glenair 550S039M2R6A0-02 EMI Backshell

🔧 General Description

• Series 550-039 is a shrouded, split EMI backshell designed for MIL‑standard D-Sub (M24308) connectors. It provides enhanced cable strain relief and electromagnetic interference shielding

• The “S” in the part number denotes side/cable-end entry at 90° orientation

🏷️ Breaking Down the Part Number

From the datasheet key in the PDF:

• 550S039 – Side-entry backshell from the 550-039 platform.

• M – Finish: Electroless nickel plating.

• 2 – Shell size: “2” (roughly 1.706″ D)

• R6 – Panel/mating connector rear thickness allowance: code R6 = 0.125″ (3.2 mm) panel thickness

• A – Screwlock type: Male, socket head

• 0 – EMI panel gasket: none included

• -02 – Cable entry diameter: 0.250″ (6.4 mm) compatible with cable sizes 1–6

Ideal for standard M24308 D-Sub connectors requiring a compact side-exit backshell with EMI protection and electroless nickel durability.