The Cover Assembly, cataloged under National Stock Number 1615-01-077-3603, 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 Olympic Tool & Machine Corp. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Cover Assembly |
| FSC / FSG | 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components (FSG 16) |
| Manufacturers | Olympic Tool & Machine Corp (CAGE 56811); The Boeing Company (CAGE 77272) |
| Parameter | Value |
|---|---|
| NSN | 1615-01-077-3603 |
| Primary Part Number | OT-1001-2 |
| Item Name | Cover Assembly |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | Olympic Tool & Machine Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| OT-1001-2 PRIMARY | Olympic Tool & Machine Corp (USA) |
| A02R1726-4 PRIMARY | The Boeing Company (USA) |
| A02R1726-2 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 30-1279-2 | C/1 Advisory reference — outside the item-of-supply concept Grimes Aerospace Company |
NSN 1615-01-077-3603 is a Cover Assembly, manufactured by Olympic Tool & Machine Corp, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-01-077-3603 has 3 manufacturer part numbers on file: OT-1001-2 (Olympic Tool & Machine Corp), A02R1726-4 (The Boeing Company), A02R1726-2 (The Boeing Company).
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 1615-01-077-3603 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.