The Liner,main Gearbox, cataloged under National Stock Number 1615-01-092-1994, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-01-092-1994 |
| Primary Part Number | 70351-08166-112 |
| 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 |
| General Characteristics Item Description | MATL STEEL,COMP 4320;3.8865 IN. MIN,3.8875 IN. MAX OUTSIDE DIA;3.6973 IN. MIN,3.7023 IN. MAX INSIDE DIA; 0.600 IN. O/A W;BLACK OXIDE SURFACE TREATMENT,MIL-C-13924 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70351-08166-112 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 1615-01-092-1994 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.
NSN 1615-01-092-1994 has 1 manufacturer part number on file: 70351-08166-112 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70351-08166-112: General Characteristics Item Description: MATL STEEL,COMP 4320;3.8865 IN. MIN,3.8875 IN. MAX OUTSIDE DIA;3.6973 IN. MIN,3.7023 IN. MAX INSIDE DIA; 0.600 IN. O/A W;BLACK OXIDE SURFACE TREATMENT,MIL-C-13924 IN; End Item Identification: UH-60A HELICOPTER A. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1615-01-092-1994 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.