Vibration Proof Quarter-Turn Latch - 18 mm

Vibration proof quarter-turn latch achieved by a spring loaded stop bracket that prevents the cam from moving, if not pushed in by the key. Using a double bit insert, the key is captured when turned to the open position, giving the key the function of a handle to operate the door.

The latch with insert "Double Bit 5" is shown in the drawing.

  • Housing: Zinc die-cast with black PA6 collar.
  • Insert and key: Zinc die-cast, chrome plated.
  • Stop bracket: Zinc die-cast, nickel plated.
  • Screw and spring: Steel, zinc plated.
  • Nut: Zinc die-cast, zinc plated.

Cams may be chosen with H-measurement between H=04 mm and H=50 mm in increments of 2 mm (4, 6, 8, 10, 12...up to 50 mm). Example: 271563-1345 is a vibration proof latch with insert Triangle 8 with a cam having a H-measurement of 16 mm and a standard length of 45 mm. Latch is supplied with screw with mechanical thread lock.
For latches with insert "Double Bit 3" or "Double Bit 5" - please use cams with projection (page 2-480). For latch with insert "Triangle 8", please use use cams without projection (page 2-481).

Vibration Proof Quarter-Turn Latch - 18 mm (AAAAAA-A-HHLL)
AAAAAA-A Description - insertFor cam type
Cam rotation
Cam size in mm
271161-H Double Bit 3With projection Right hinged door -0000No cam
271161-V Double Bit 3With projection Left hinged door -HH45See cam ref. above.
271162-H Double Bit 5With projection Right hinged doorH between 4 and 50 mm in increments of 2 mm.
271162-V Double Bit 5With projection Left hinged door
271563-13 Triangle 8Without projection Left or right hinged door
291105-VP Key for insert "Triangle 8" -
CAD File