PartsTable TECHNICAL DATA SHEET

NSN 1615-01-092-1990Government record, cited

Liner, Main Gearbox1615-01-092-1990

NSN 1615-01-092-1990 · NIIN 010921990 · Part number 70351-08166-106

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components · FSG 16 — Aircraft Components and Accessories · CAGE 78286

Government record, cited

NSN 1615-01-092-1990 — this item is cataloged by the U.S. Government under National Stock Number 1615-01-092-1990. Manufacturer of record part number: 70351-08166-106.

Also searched as 1615-01-092-1990 · 1615010921990 · NIIN 010921990 · 01-092-1990 · FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components · CAGE 78286 · 70351-08166-106

Nearby stock numbers ← 1615-01-092-1989 Sleeve, Seal, Main Ro · 1615-01-092-1991 Liner, Main Gearbox →

Features

Liner,main Gearbox — FSC 1615
1 manufacturer part number on file
Manufacturer of record: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp

Identification

NSN: 1615-01-092-1990
NIIN: 010921990
FSC: 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 70351-08166-106
Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp

General Description

The Liner,main Gearbox, cataloged under National Stock Number 1615-01-092-1990, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Liner,main Gearbox
FSC / FSG	1615 — Helicopter Rotor Blades, Drive Mechanisms and Components (FSG 16)
Manufacturers	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286)

Technical Specifications

Parameter	Value
NSN	1615-01-092-1990
Primary Part Number	70351-08166-106
Item Name	Liner,main Gearbox
FSC / FSG	1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components
Manufacturer	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
70351-08166-106 PRIMARY	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (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 1615-01-092-1990?

NSN 1615-01-092-1990 is a Liner,main Gearbox, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.

What part numbers are listed for NSN 1615-01-092-1990?

NSN 1615-01-092-1990 has 1 manufacturer part number on file: 70351-08166-106 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

Is NSN 1615-01-092-1990 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 1615-01-092-1990?

NSN 1615-01-092-1990 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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