NSN 1615-01-415-4178 · NIIN 014154178 · Part number KT421561-1
The Boeing Company · FSC 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components · FSG 16 — Aircraft Components and Accessories · CAGE 8V613
Government record, cited
NSN 1615-01-415-4178 — this item is cataloged by the U.S. Government under National Stock Number 1615-01-415-4178. Manufacturer of record part number: KT421561-1.
Also searched as1615-01-415-4178 ·
1615014154178 ·
NIIN 014154178 ·
01-415-4178 ·
FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components · CAGE 8V613 · KT421561-1
FSC: 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: KT421561-1
Manufacturer: The Boeing Company
General Description
The Plate, cataloged under National Stock Number 1615-01-415-4178, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
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.
1615-00-001-1399
1615-00-001-1399 · Item name not on file
1615-00-001-1400
1615-00-001-1400 · Item name not on file
1615-00-001-1774
1615-00-001-1774 · Item name not on file
1615-00-001-2675
1615-00-001-2675 · Item name not on file
1615-00-001-6441
1615-00-001-6441 · Item name not on file
1615-00-001-6442
1615-00-001-6442 · Item name not on file
1615-00-003-1146
BOLT ASSEMBLY,ROTARY WING HEAD
1615-00-003-1147
1615-00-003-1147 · Item name not on file
Frequently Asked Questions
What is NSN 1615-01-415-4178?
NSN 1615-01-415-4178 is a Plate, manufactured by The Boeing Company, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
What part numbers are listed for NSN 1615-01-415-4178?
NSN 1615-01-415-4178 has 1 manufacturer part number on file: KT421561-1 (The Boeing Company).
Is NSN 1615-01-415-4178 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.
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.