Cup Style Mounts - L-Mount Series (L21/L22/L44/L64)

Low-frequency, highly damped mounts for a high level of vibration isolation.

Barry L-Mounts increase equipment reliability and extend component-life by providing isolation for frequencies as low as 10 Hertz and exhibiting low transmissibility at resonance (below 2.5) with .60" double amplitude vibratory input.

Features

  • Marking of mounts with military designations available on special order
  • Aluminum construction
  • Axial to radial stiffness of 4:1
  • For base mounting only
  • Fail safe construction

Benefits

  • Isolation performance maintained in attitudes up to 10° from the horizontal
  • Low ratio of horizontal and vertical stiffness which holds transmissibility in rocking modes to unusually low magnitudes
  • Meets safety requirements of MIL-E-5400 (30G 11ms half sine pulse)

Load Range

  • L21/L22 = 7 load ranges from .35 - 4 lbs. per mount
  • L44 = 7 load ratings from .25 - 10 lbs. per mount
  • L64 = 7 load ratings from 2.0 - 40 lbs. per mount

Applications

  • Avionic equipment in propeller driven aircraft
  • Sensitive instrumentation and medical equipment
  • Stationary applications where cost effective, low frequency isolation is required

Environmental Data

  • Operating temperature ranges of -67°F to +250°F (-55°C to +120°C).
  • Meets vibration and shock requirements of MIL-C-172C.
  • L44 and L64 isolators are known as "MS" (Military Standard) mounts and appear on QPL's.
NATURAL FREQUENCY 7-10 Hertz
TRANSMISSIBILITY AT RESONANCE 2.5
RESILIENT ELEMENT Friction damped spring
STANDARD MATERIALS Aluminum
WEIGHT L21= .031 lbs.
L22 = .031 lbs.
L44 = .098 lbs.
L64 = .226 lbs.
Load Range  |  Designations
click below for more info
L21  | L22  | L44  | L64