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  2. National pipe thread - Wikipedia

    en.wikipedia.org/wiki/National_pipe_thread

    NPT is defined by ANSI/ASME standard B1.20.1. [4] The taper rate for all NPT threads is 1 inch of diameter in 16 inches of length (3 ⁄ 4 inch per foot or 62.5 millimeters per meter) measured by the change of diameter (of the pipe

  3. Grumman F-14 Tomcat - Wikipedia

    en.wikipedia.org/wiki/Grumman_F-14_Tomcat

    The Grumman F-14 Tomcat is an American carrier-capable supersonic, twin-engine, two-seat, twin-tail, all-weather-capable variable-sweep wing fighter aircraft.The Tomcat was developed for the United States Navy's Naval Fighter Experimental (VFX) program after the collapse of the General Dynamics-Grumman F-111B project.

  4. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    MF or M/F: make from: When one part number is made from another, it means to take part A and machine some additional features into it, creating part B. The parts list or L/M, in the "material" field, will say "M/F PN 12345". MFD: manufactured: MFG: manufacturing: MFR: manufacturer: May be the same entity as the CDA or ODA, or may not be. MIL-[U ...

  5. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    Piping or tubing is usually inserted into fittings to make connections. Connectors are assigned a gender, abbreviated M or F. An example of this is a "3 ⁄ 4-inch female adapter NPT", which would have a corresponding male connection of the same size and thread standard (in this case also NPT).

  6. Nominal Pipe Size - Wikipedia

    en.wikipedia.org/wiki/Nominal_Pipe_Size

    Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

  7. Barrel threads - Wikipedia

    en.wikipedia.org/wiki/Barrel_threads

    25.32 mm major diameter. Most have a 60 grader thread angle, but some have 55°. A length of 2.54 mm of the shank at the chamber side in unthreaded with a diameter of 22.86 mm diameter. 1"-14 Homer Koon Omega III [14] M25.40: 1.814 mm 60° 1"-14 Champlin [5] (1968, 1971) [14] M25.40: 1.814 mm 60° 15.24 mm 1"-14

  8. List of drill and tap sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_drill_and_tap_sizes

    Example (metric fine): For M7.0×0.5, major minus pitch yields 6.5, which at 92.9% happens to be an example that pushes over the outer bound of the 90% ± 2 pp, but major minus pitch is still valid, although smaller drills (6.3 mm, 1 ⁄ 4, 6.4 mm) will work well.

  9. List of thread standards - Wikipedia

    en.wikipedia.org/wiki/List_of_thread_standards

    Metric Screw Threads: M Profile: V Thread Form ASME B1.15-1995 (R2003) Unified Inch Screw Threads (UNJ Thread Form) V Thread Form ASME B1.20.1-2013: Pipe Threads, General Purpose (Inch) Pipe Thread Form ANSI B1.20.3-1976 (R2013) Dryseal Pipe Threads (Inch) Pipe Thread Form ASME B1.20.7-1991 (R2013) Hose Coupling Screw Threads - Inch: Pipe ...