The Mast,main Rotor Sup, cataloged under National Stock Number 1615-01-166-1963, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-01-166-1963 |
| Primary Part Number | 7-311160020-5 |
| Item Name | Mast,main Rotor Sup |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 7-311160020 | The Boeing Company (USA) |
| 7-311160020-5 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-311160020-5 | 3/9 Design control — primary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-311160020 | 1/2 Source control — Government-approved source U.S. Government activity |
| 7-311160020 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-311160020 | 5/9 Secondary reference U.S. Government activity |
NSN 1615-01-166-1963 is a Mast,main Rotor Sup, manufactured by The Boeing Company, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-01-166-1963 has 2 manufacturer part numbers on file: 7-311160020 (The Boeing Company), 7-311160020-5 (The Boeing Company).
Key specifications for 7-311160020-5: End Item Identification: AH-64 AIRFRAME, ROTARY WING AIRCRAFT. 0 specifications are 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 1615-01-166-1963 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.