Glenair 550S039M2R1A0-03 D-Sub Backshell

📘 Part Overview & Specs

Glenair’s 550‑039 series are precision-machined, split-shell MIL‑DTL‑24308 backshells designed for D‑Sub connectors, offering excellent EMI shielding, mechanical protection, and strain relief. The “S” indicates side entry, and “-03” corresponds to a 0.312″ (7.9 mm) cable entry diameter.

The alphanumeric sequence M2R1A0 denotes:

• Shell size: 2 (supports 15-contact D‑Sub “A” size)

• Rear panel mounting type: R1 (panel thickness ~0.031″/0.8 mm)

• Jackscrew type A: Standard male socket-head screws

• EMI gasket: 0 (not included)