This is a heat shrink tubing, designed for electrical insulation and protection of wire connections. It contracts when heated to form a tight, secure seal around cables and components.
You can click on the BUY or RFQ button to purchase 381A11540 from an authorized Raychem TE Connectivity distributor.
You can download the 381A11540 datasheet or visit the Raychem TE Connectivity website for support.
Raychem TE Connectivity