SM4-4J-20

Specifications

Part Number

SM4-4J-20

Manufacturer

Rexnord Industries LLC

ATA ChapterMaintenance system chapter

27 — Flight Controls

CapabilitySystem area (hydraulics, avionics, landing gear…)

Flight Controls

Inventory ClassRotable, expendable, or consumable

Expendable

Certification

PMA

Aircraft Category

Unknown

Criticality

Critical

Airframe Applicability(4)

Data Sources(1)

• FAA PMA

  https://drs.faa.gov/browse/excelExternalWindow/8D5F411AA50D83278625825900699E0D.0001
  2026-03-07