M85049/60 Shrink Boot Adapter Shell Size 18 — Black Anodised MIL-Spec Connector Backshell
The M85049/60-2G18A Shrink Boot Adapter Shell Size 18 in Black Anodised finish — SKU: M85049/60-2G18A is a MIL-DTL-85049/60-compliant aluminium shrink boot adapter backshell for use with MIL-DTL-38999, MS3100, and compatible circular connector series at shell size 18. This backshell accepts a Raychem or compatible heat shrink boot over its rear entry, providing strain relief, environmental sealing, and professional cable management at the rear of MIL-spec circular connectors in motorsport, aerospace, and professional automotive wiring applications across Norway, Sweden, and Denmark.
What Is a Shrink Boot Adapter Backshell?
A shrink boot adapter backshell threads onto the rear of a MIL-spec circular connector shell, replacing the standard strain relief clamp. It provides a smooth, tapered or cylindrical rear entry over which a compatible heat shrink boot (such as Raychem 202K or 222K series) is applied using a heat gun — shrinking to form a watertight, strain-relieved cable bundle seal at the connector exit. This is the professional standard for environmentally sealed MIL-spec connector assemblies in motorsport harnesses, offering superior moisture exclusion, vibration resistance, and a clean finished appearance compared to mechanical clamp-type backshells.
Shell Size 18 — Connector Family Compatibility
Shell size 18 is a medium-large shell size in the MIL-DTL-38999 circular connector system — compatible with 79-contact MIL-spec circular connector applications. Always verify the shell size of your specific MIL-spec connector before ordering to ensure the backshell threads correctly onto the connector rear shell.
Black Anodised Finish
The black anodised finish provides enhanced corrosion resistance and a clean, stealth appearance preferred for cockpit, chassis, and visible harness installations in professional race car builds.
Technical Specifications
- Specification: MIL-DTL-85049/60
- Shell size: 18
- Finish: Black Anodised
- Material: Aluminium alloy
- Compatible with MIL-DTL-38999 and MS3100 series circular connectors at shell size 18
- Accepts Raychem 202K, 202A, and compatible heat shrink boots at the rear entry
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