back nut

back nut

[′bak ‚nət]

(design engineering)

A threaded nut, one side of which is dished to retain a grommet; used in forming a watertight pipe joint.

A locking nut on the shank of a pipe fitting, tap, or valve.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

back nut

1. A threaded nut, one side of which is dished to retain a grommet; used in forming a watertight pipe joint.

2. A locking nut on the shank of a pipe fitting, tap, or valve.

McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.