🔍 What It Is
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This is a top-entry, split-shell, low-profile EMI backshell designed for HiPer‑D rectangular connectors (Series 28: 280‑018P, 280‑019S, 280‑046P, 280‑047S)
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Lightweight machined aluminum alloy housing with stainless steel screws and overlapping seam for enhanced EMI shielding
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Non-environmental, elliptical cable entry aimed at space/aviation applications
🛠️ Decoding the Part Number: 289T005ME2B‑TNN
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289T005 – Top-entry variant (as opposed to side-entry 289S005)
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ME – Electroless nickel finish (RoHS compliant)
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2 – Shell size #2 (approx. 1.218″ × 0.550″)
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B – Cable entry size “B” (≈0.256″ × 0.256″) per specification table
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T – Strain relief “Qwik‑Ty” included
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NN – No slots and no EMI band included (standard configuration)
✅ Typical Applications
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Used for terminating braided cable shields to connector backshells.
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Widely utilized in aerospace and defense systems where EMI control and weight reduction are crucial.
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Compatible with optional Band‑Master™ ATS clamping band and Series 77 lipped heat‑shrink boots


