{"product_id":"usgi-chemical-biological-mask-external-drink-tube-m40-m42-mcu-2-p","title":"USGI Chemical-Biological Mask External Drink Tube (M40, M42, MCU-2\/P)","description":"\u003cp\u003eUS Genuine Issue External Drink Tube for M40, M42, MCU-2\/P chemical and biological (CBRN) masks - new, unissued, and in original packaging! A specific length of specialized tubing designed to provide an airtight connection between a canteen and the internal hydration port of a gas mask. \u003c\/p\u003e\n\u003cp\u003eIt is officially classified as a critical safety component for chemical and biological defense, meaning its manufacturing and testing standards are strictly regulated to ensure no toxic agents can bypass the tube's seal during use.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNSN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4240-01-286-1841\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeakage Prevention:\u003c\/strong\u003e Specially tested to ensure no leakage under positive pressure (up to 3.0 inches), preserving the vacuum seal of the mask against toxic agents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick-Disconnect Coupling (QDC):\u003c\/strong\u003e Features a self-sealing, quick-disconnect coupling half that allows for rapid attachment and detachment from a canteen cap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydration Compatibility:\u003c\/strong\u003e Designed to plug directly into the M1 NBC Canteen Cap (standard 1 and 2-quart GI canteens), enabling \"hands-free\" drinking without mask removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Dimensions:\u003c\/strong\u003e The drinking tube is approximately 3.56 inches in overall length with an outer diameter of 0.29 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Tube System: \u003c\/strong\u003eWorks as the external half of a system that includes an internal drinking straw; the external tube delivers water to the mask port, while the internal straw allows the user to sip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial: \u003c\/strong\u003eManufactured using specialized rubber compounds resistant to chemical, biological, radiological, and nuclear (CBRN) contaminants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Design: \u003c\/strong\u003eEngineered for a high flow rate to reduce the effort required for hydration during extended missions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability: \u003c\/strong\u003eBuilt to withstand harsh field conditions, featuring resistance to cracks and cuts that would otherwise compromise the respirator system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommonly Used With (Masks):\u003c\/strong\u003e This specific NSN is the standard replacement part for the following gear: M40, M40A1, M42, M42A1\/A2, MCU-2\/P, MCU-2A\/P, and Millennium series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommonly Used With (Canteen Caps): \u003c\/strong\u003eStandard M1\/NBC caps.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Revolution Depot","offers":[{"title":"Black","offer_id":48750962540771,"sku":null,"price":42.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/8558\/5123\/files\/4240-01-286-1841_01.webp?v=1775702381","url":"https:\/\/revolutiondepot.shop\/products\/usgi-chemical-biological-mask-external-drink-tube-m40-m42-mcu-2-p","provider":"Revolution Depot","version":"1.0","type":"link"}