Eastman LD-4

Pack Size

A Type IV Class I fire-resistant phosphate ester hydraulic fluid designed for commercial and military aircraft. First introduced in 1977, its low-density formulation offers critical weight savings while delivering high thermal stability, deposit control, and superior protection against valve erosion.

Applications

Heavy-duty actuation systems including landing gear, flight controls, and brakes.

Specifications

MIL-PRF-83282D (MIL-PRF-83282)
Boeing BMS 3-11P
Airbus
BAMS 564-003
NSA 307110
SO 4406
ASTM D943