grease seal

grease seal

[′grēs‚sēl]
(engineering)
Type of seal used on floating pistons of some hydropneumatic recoil systems to prevent leakage past the piston of gas or oil; also used in cylinders of some hydropneumatic equilibrators.
Seal used to retain grease in a case or housing, as on an axle shaft.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A set of two bearings, cones and a grease seal is around $16 for 1-inch axles.
Trailer bearing replacement: a dirty job, but somebody has to do it
An example is the grease seal, NSN 5330-00-849-4366, for the CH-47, shown in Fig 182-2, TM 55-1520-240-23-P.
When SMART rejections help
Powered by a 13-horsepower gasoline engine, the efficient constant grease seal pump delivers 20 percent more fluid capacity than the MM9 fluid system, moving 42 viscosity slurry at the rate of 200 gpm.
Ditch Witch
"During our first incident, the grease seal didn't allow the lubricant to escape while doing preventive maintenance (PMS), causing the sheave to seize," said Caldwell.
Learning a flight-deck lesson
For example, a grease seal that formerly went to a drill press and then to a milling machine now is completed by the Arrow 750 with savings of 20 min/part.
VMCs integrate multi-plant design
Encyclopedia browser ?
Full browser ?