scope:

This standard sets forth procedures for establishing and changing item names and designations of systems, equipments and material items under the cognizance of the Naval Sea Systems Command and, when officially requested, systems, equipments and material items under the cognizance of the Naval Air Systems Command. This standard defines the MARK and MOD system of nomenclature and gives instructions for processing requests for assignment of nomenclature.

Typical equipments to which MARK and MOD designations apply are listed below:

a. Shipboard weapon systems, switchboards, gun mounts, surface missile launchers and rocket launchers.

b. Expendable ordnance, loaded and fuzed projectiles, pyrotechnic devices, fuzed and other ammuntition and explosives components.

c. Components for guided missiles for which type designations are desired.

d. Undersea weapons system and equipments and seaborne targets, excluding Sonar systems.

e. Related reuseable shipping and storage containers and portable handling equipment.

f. Shipboard navigation systems.

g. Diving equipment, including breather apparatus, swimmer delivery vehicles and deep diving systems.

This standard does not apply to the following types of equipment, which are covered by other type designation system, and for which no MARK and MOD designations will be issued:

a. Guided missiles (Complete Rounds)

b. Nuclear components

c. Computer program

d. Shipboard fixed handling equipment (davits, winches, elevators, etc.)

e. Weapons control systems & electronic portions of fire control systems.

f. Electronic equipment, utilizing nomenclature in accordance with MIL-STD-196, Joint Electronics Type Designation System (JETDS).