15 August 1991
7 March 1955
CLUTCHES FOR PROPULSION UNITS AND AUXILIARY
MACHINERY, NAVAL SHIPBOARD
This specification is approved for use by the Naval Sea Systems Command,
Department of the Navy, and is available for use by all Departments and
Agencies of the Department of Defense.
1.1 Scope. This specification covers clutches for Naval shipboard propul-
sion units and auxiliary machinery. This specification does not include all types
of clutches but is intended to cover those types most widely used in shipboard
propulsion and auxiliary systems.
Clutches shall be of the following types as specified
- Nonpositive drive hydraulic (fluid drive).
Type II - Nonpositive drive friction (tire and tube)
Type III - Nonpositive drive friction (disc, drum, or cone)
(see 6.8 2).
Type IV - Nonpositive drive overrunning (see 6.8.3).
- Positive drive (see 6.8.1) forced synchronizing.
Type VI - Positive drive overrunning.
Class A - Automatically actuated
Class B - Remotely controlled.
DISTRIBUTION STATEMENT A.
Approved for public release, distribution is unlimited.