PartsTable TECHNICAL DATA SHEET
NSN 1615-01-669-9487Government record, cited

Flyweight, Hub, Rotor Mast1615-01-669-9487

NSN 1615-01-669-9487 · NIIN 016699487 · Part number 4507-026
Woodward, Inc. Div Fuel Systems and Controls · FSC 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components · FSG 16 — Aircraft Components and Accessories · CAGE 66503
Government record, cited
NSN 1615-01-669-9487 — this item is cataloged by the U.S. Government under National Stock Number 1615-01-669-9487. Manufacturer of record part number: 4507-026.
Also searched as  1615-01-669-9487 · 1615016699487 · NIIN 016699487 · 01-669-9487 · FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components · CAGE 66503 · 4507-026
Nearby stock numbers  ·
Features
  • Flyweight,hub,rotor Mast — FSC 1615
  • 1 manufacturer part number on file
  • Manufacturer of record: Woodward, Inc. Div Fuel Systems and Controls
Identification
  • NSN: 1615-01-669-9487
  • NIIN: 016699487
  • FSC: 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: 4507-026
  • Manufacturer: Woodward, Inc. Div Fuel Systems and Controls
General Description

The Flyweight,hub,rotor Mast, cataloged under National Stock Number 1615-01-669-9487, 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 Woodward, Inc. Div Fuel Systems and Controls. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1615-01-669-9487
Primary Part Number4507-026
Item NameFlyweight,hub,rotor Mast
FSC / FSG1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components
ManufacturerWoodward, Inc. Div Fuel Systems and Controls
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
4507-026 PRIMARY Woodward, Inc. Div Fuel Systems and Controls (USA)
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.
1615-00-001-1399
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 1615-01-669-9487?

NSN 1615-01-669-9487 is a Flyweight,hub,rotor Mast, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.

What part numbers are listed for NSN 1615-01-669-9487?

NSN 1615-01-669-9487 has 1 manufacturer part number on file: 4507-026 (Woodward, Inc. Div Fuel Systems and Controls).

What are the specifications of 4507-026?

Key specifications for 4507-026: Special Features: NEXT HIGHER ASSEMBLY PN 210957 GOVERNOR PROPELLER 2995-01-288-2330; Part Name Assigned by Controlling Agency: HEAD ASSEMBLY, FLYWEIGHT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1615-01-669-9487 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 1615-01-669-9487?

NSN 1615-01-669-9487 has DEMIL Code Q. 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.
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