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  2. List of sail codes - Wikipedia

    en.wikipedia.org/wiki/List_of_sail_codes

    Sail country codes must comply with World Sailing Racing Rules of Sailing. The Racing Rules of Sailing Appendix G1.2 specifies that national letters shall be clearly legible and of the same color. [1] They must be placed below the class insignias and above the sail number. In 1992, the code system was aligned to the one of IOC and has followed ...

  3. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15. The number is sometimes followed by a letter, indicating that components are grouped or matched with each other, e.g. R17A, R17B. The IEEE 315 standard contains a list of Class Designation Letters to use for electrical and electronic ...

  4. List of referred Indian Standard Codes for civil engineers

    en.wikipedia.org/wiki/List_of_referred_Indian...

    A large number of Indian Standard (IS) codes are available that are meant for virtually every aspect of civil engineering one can think of. During one's professional life one normally uses only a handful of them depending on the nature of work they are involved in. Civil engineers engaged in construction activities of large projects usually have to refer to a good number of IS codes as such ...

  5. Crosshead - Wikipedia

    en.wikipedia.org/wiki/Crosshead

    A crosshead as part of a reciprocating piston and slider-crank linkage mechanism. Cylindrical trunk guide Hudswell Clarke Nunlow; crosshead and two slide bars. In mechanical engineering, a crosshead [1] is a mechanical joint used as part of the slider-crank linkages of long stroke reciprocating engines (either internal combustion or steam) and reciprocating compressors [2] to eliminate ...

  6. SAE steel grades - Wikipedia

    en.wikipedia.org/wiki/SAE_steel_grades

    The alloy number is simply a general classifier, whereas it is the specification itself that narrows down the steel to a very specific standard. The SAE steel grade system's correspondence to other alloy numbering systems, such as the ASTM-SAE unified numbering system (UNS), can be seen in cross-referencing tables (including the ones given below).

  7. NATO Codification System - Wikipedia

    en.wikipedia.org/wiki/NATO_Codification_System

    Unambiguous item identification in accordance with the STANAG 3151 standard. This identification takes place utilizing a NATO Stock Number (NSN), which is composed of a 4-digit NATO Supply Classification Code, a 2-digit code for the National Codification Bureau (NCB) representing the country that codifies the item, and a 7-digit non-significant number that is assigned by this NCB.

  8. Ford Cologne V6 engine - Wikipedia

    en.wikipedia.org/wiki/Ford_Cologne_V6_engine

    The Ford Cologne V6 is a series of 60° cast iron block V6 engines produced by the Ford Motor Company from 1962 to 2011 in displacements between 1.8 L; 110.6 cu in (1,812 cc) and 4.0 L; 244.6 cu in (4,009 cc).

  9. Number matching - Wikipedia

    en.wikipedia.org/wiki/Number_matching

    It is widely accepted [citation needed] however that the minimum requirement for a vehicle to be Number matching (or matching numbers, depending on local terminology) is for the original Chassis number and/or Vehicle Identification Number (VIN) to match to the engine block, if that is how the original manufacturer identified it, and the data ...