Von Duprin 374T Thumbturn Trim (Key locks & unlocks, use with DT trim) for use with 33A/35A and 98/99 Series Vertical Rod exit devices.

Projection: 3-1/4" (83mm)

Escutcheon Plate Size: 2-3/4" x 12-1/16" x 3/32" (76x306x2mm)

ANSI Function: 11

Less Cylinder - Cylinder Type: 1-1/4” Mortise (Not Included)

Standard operation, key locks and unlocks thumbturn.
Optional operation, key unlocks thumbturn, re-locks when key is removed. This operation is created by changing the cylinder plate included with control.
Use 1-1/4” mortise cylinder with a straight cam. Schlage cam reference B502-191.