New in plastic U.S. Military issue gas mask hose extension (40 mm).  Also fits most NATO, Israeli, and Russian masks. Measures approximately 30 inches in length, and when stretched, measures approximately 40 inches in length. Can be linked together in several lengths to provide one longer extension if needed. Unsurpassed U.S. manufactured quality at an unbeatable price...............

NSN # 4720015159261

Media for Which Designed: Air single response

Cross-Sectional Shape Style:Round

Inside Diameter:1.030 inches nominal

Outside Diameter:1.200 inches nominal

Part Number 5-1-2756-30

Returns accepted for this item if it's within 30 Days