FSC: 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
FSG: 16 — Aircraft Components and Accessories
General Description
The Gearbox Assembly,main, cataloged under National Stock Number 1615-01-587-4143, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and Accessories group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
21C0446-1
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1615-00-056-4862
1615-00-056-4862 · Item name not on file
1615-00-420-7841
1615-00-420-7841 · Item name not on file
1615-00-446-7576
GRIP ASSEMBLY,MAIN
1615-00-458-8376
HOUSING ASSEMBLY
1615-00-621-1853
TRANSMISSION,MECHANICAL,HELICOPT
1615-00-629-4445
1615-00-629-4445 · Item name not on file
1615-00-689-6306
STABILIZER,ROTARY WING
1615-00-689-6307
STABILIZER,ROTARY WING
Frequently Asked Questions
What is NSN 1615-01-587-4143?
NSN 1615-01-587-4143 is a Gearbox Assembly,main, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
What are the specifications of 1615-01-587-4143?
Key specifications for 1615-01-587-4143: Special Features: SUPERSEDES P/N 65351-11600-043, NSN 1615-01-201-5999; End Item Identification: (NON-JSL ITEMS) HELICOPTERS (H53). 0 specifications are documented in the U.S. Government catalog.
Is NSN 1615-01-587-4143 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1615-01-587-4143?
NSN 1615-01-587-4143 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.