USGI 1-Quart Water Canteen M1 NBC

US Genuine Issue 1-Quart Water Canteen with the M1 NBC (Nuclear, Biological, Chemical) drinking cap in new unissued condition.  Used primarily by the U.S. Army and other military branches.  This specialized cap includes a drinking tube adapter that allows personnel to drink from the canteen while wearing a protective gas mask.

NSN

• 8465-01-115-0026

Features

• Capacity: 1.0 Quarts (approximately 0.95 liters).
• Color: Olive Drab
• Material: High-Density Polyethylene (HDPE), which is BPA-free and designed for durability in harsh environments.
• Color: Olive Drab (specifically Federal Standard 595, Shade 34087).
• Closure Type: Self-Sealing Valve System: The cap contains a pressure valve fitting and a self-sealing coupling. This ensures that the canteen remains airtight when not in use, preventing contaminants from entering the water supply.
• Gas Mask Compatibility: It is specifically designed to receive the drinking hose from NATO standard military gas masks, including the M17A1, M40, MCU-2P, and MSA Millennium.
• Protective Flip Cover: The top of the cap features a tethered rubber cover (often called a "stud" or "plug") that protects the drinking port from dust and chemical agents when the mask's tube is not connected.
• Leak-Proof Construction: The assembly includes a pressure valve fitting gasket to maintain a secure, leak-proof seal even under the suction of a drinking tube.
  Durable Materials: The cap is made from virgin polypropylene copolymer with rubber and stainless steel internal components to resist degradation from chemical agents and decontamination procedures.
• Construction: Rigid, single-wall, blow-molded construction.
• Weight: Approximately 4.8 ounces (136–160g) when empty.
• Dimensions: Roughly 8.25 to 9.4 inches tall and 5.25 inches wide.
• Environmental Use: Intended for temperate and tropical environments for carrying drinking water.
• Integration: Designed to fit into the standard G.I. Stainless Steel Canteen Cup and M-1967/MOLLE Olive Drab Canteen Covers.
• Management: This is classified as a nonreparable, nonexpendable item managed by the Defense Logistics Agency (DLA).