The Mast Assembly,main Rotor, cataloged under National Stock Number 1615-00-405-2097, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-00-405-2097 |
| Item Name | Mast Assembly,main Rotor |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CADMIUM PLATED,47.880 IN. NOM O/A LG,1.600 IN. NOM ID,ONE END COUNTERBORED,1.680 IN. MIN 1.685 IN. MAX ID,1.050 IN. NOM LG,ONE END THD,2.000-16UN-3A THD SIZE AND SERIES,THREE SPLINED AREAS,TWO SERRATED AREAS ON THE MAST,INSIDE OF MAST FLUSHED WITH OIL PER MIL-C-8188 A |
| 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 |
| Reference | Meaning |
|---|---|
| 206-010-332-13 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1615-00-405-2097 is a Mast Assembly,main Rotor, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
Key specifications for 1615-00-405-2097: General Characteristics Item Description: STEEL,CADMIUM PLATED,47.880 IN. NOM O/A LG,1.600 IN. NOM ID,ONE END COUNTERBORED,1.680 IN. MIN 1.685 IN. MAX ID,1.050 IN. NOM LG,ONE END THD,2.000-16UN-3A THD SIZE AND SERIES,THREE SPLINED AREAS,TWO SERRATED AREAS ON THE MAST,INSIDE OF MAST FLUSHED WITH OIL PER MIL-C-8188 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 1615-00-405-2097 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.