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Cylindrical protective wall around the gun turret stool, shell stowage and hoisting gear between a warship's deck to the turret shelf plate.

Related Terms

A.G.M.A.

Abbreviation for 'American Gear Manufacturers Associations', an organization serving the gear industry.

FREEBOARD DECK

Deck to which freeboard is measured

FATIGUE PLATELETS

Normal particles between 20 and 40 microns found in gear box and rolling element bearing oil samples observed by analytical ferrography. A sudden increase in the size and quantity of these particles indicates excessive wear.

FATIGUE CHUNKS

Thick three-dimensional particles exceeding 50 microns indicating severe wear of gear teeth.

HYPOID GEAR LUBRICANT

A gear lubricant having extreme pressure characteristics for use with a hypoid type of gear as in the differential of an automobile.

TWEEN DECK

The space between any two adjacent decks

GALLING

A form of wear in which seizing or tearing of the gear or bearing surface occurs.

ANNULAR BEARING

Usually a rolling bearing of short cylindrical form supporting a shaft carrying a radial load.

VISCOSITY GRADE

Any of a number of systems which characterize lubricants according to viscosity for particular applications, such as industrial oils, gear oils, automotive engine oils, automotive gear oils, and aircraft piston engine oils.

BELLOWS

Corrugated cylindrical container which moves as pressures change, or provides a seal during movement of parts.
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