nominal bore diameter

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• Gauge (bore diameter) — The Gauge or bore of a shotgun or rifle is a unit of measurement used to express the diameter of the barrel. The gauge or bore of a barrel is equal to the number of solid spheres of lead each having the same diameter as the inside of the barrel… …   Wikipedia

• Nominal Pipe Size — (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures.[1] Pipe size is specified with two non dimensional numbers: a nominal pipe size (NPS) for diameter based on inches, and a schedule (Sched.… …   Wikipedia

• diameter — The distance between one edge of a circular object to the other edge and passing through the center. Also see bead seat diameter bore diameter circle diameter external diameter inside diameter internal diameter major diameter minor diameter …   Dictionary of automotive terms

• gun — 1. noun /ɡʌn/ a) A cannon with relatively long barrel, operating with relatively low angle of fire, and having a high muzzle velocity. JP 1 02. This is my rifle, this is my gun. One is for fighting, one is for fun. (U.S. military cadence, used to …   Wiktionary

• Shotgun shell — A 12 gauge shotgun shell in a transparent plastic hull, allowing the contents to be seen. From left to right: gunpowder, over powder wad, shot wad, #8 birdshot, and over shot wad A shotgun shell (shotshell) is a self contained cartridge loaded… …   Wikipedia

• Pipe (fluid conveyance) — For structural pipe, see Hollow structural section. For other uses, see Pipe (disambiguation). Steel pipes …   Wikipedia

• Pipe (material) — A pipe is a tube or hollow cylinder used to convey materials or as a structural component. The terms pipe and tube are almost interchangeable. A pipe is generally specified by the internal diameter (ID) whereas a tube is usually defined by the… …   Wikipedia

• Cartridge (firearms) — From left: .50 BMG, .300 Win Mag, .308 Winchester, 7.62×39mm, 5.56×45mm NATO, .22LR. A cartridge, also called a round, packages the bullet, gunpowder and primer into a single metallic case precisely made to fit the firing chamber of a firearm …   Wikipedia

• BB gun — BB guns are a type of air gun designed to shoot projectiles called BB after the Birdshot pellet of approximately the same size. These projectiles are usually spherical but can also be pointed; those are usually used for bird hunting. Modern day… …   Wikipedia

• .45-70 — Infobox Firearm Cartridge name= .45 70 Government caption= .45 70 Government origin= Flag|United States type= Rifle service= used by= Flag|United States wars= designer= US Govt design date=1873 manufacturer= production date= number= variants= is… …   Wikipedia

• 5"/38 caliber gun — Infobox Weapon name= 5 /38 Caliber Gun caption= Two Mk 30 single enclosed base ring mounts on a Fletcher class destroyer. origin= United States type= Deck Gun is artillery=yes service= 1934 used by= US Navy, US Coast Guard, Royal Navy, Danish… …   Wikipedia