Mark (designation)

Mark (designation)

The word Mark, followed by number, is a method of specifically designating a standardized, integrated, assumed to be functional and unique version of a mechanical and/or electrical hardware product that has completed the design process and has been approved to be put into final production, as well as its later improved or upgraded versions. The kind of products that use this convention vary widely in mechanical complexity, and may include models of can-openers, aircraft and ICBMs. The concept shares some similarities with both the "Type (designation)" (Hardware) and the 1.0+ (1.1, 1.12, 2.0, 3.0, etc) Software versioning convention often used to designate general software product releases. It is often abbreviated as ""MK"", Mk or M. Because a mark is often made to measure height or progress, by metonymy the word mark is used to note a defined level of development thus designations like "Mark I", "Mark II", "Mark III", "Mark IV", etc. come to be used as proper names. However, since the same name is used for a wide variety of products, it can have varied connotations for different persons.

Contents

Usage

United Kingdom

In British military practice, Mark designations have been given in Roman numerals, often as sub-designations of "Number" designations. For example, the Number 1 rifle, the Number 2 rifle, etc. were major types of equipment, with "Mark" designating a minor variant or production change, i.e. "Number 1 Mark III" or "Number 4 Mark I."

United States Navy

The United States Navy uses the terms "MARK" and "MOD" as a method to uniquely designate specific types and configurations of equipment that would otherwise lack military designations. The practice was adopted by the Naval Ordnance group in 1944, and was formalized in MIL-STD-1661[1] in 1978. As the system came from the Ordnance group, it is primarily used to describe naval guns, gun mounts, and other similar weapon systems.

Examples

Military

Vehicles

Musical and photo instruments

See also

  • Mark I
  • Mark II
  • Mark III
  • Mark IV
  • Mark V
  • Mark VI
  • Mark VII
  • Mark VIII
  • Mark IX
  • Mark X
  • Mark XI
  • Mark XII
  • Mark XIII
  • Mark XIV
  • Mark XV
  • Mark XVI
  • Mark XVII
  • Mark XVIII
  • Mark XIX
  • Type (designation)

References

External links


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