The Block Assembly,rotary Wing Blade, cataloged under National Stock Number 1615-01-591-3683, 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 Bell Boeing Joint Project Office. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Block Assembly,rotary Wing Blade |
| FSC / FSG | 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components (FSG 16) |
| Manufacturers | Bell Boeing Joint Project Office (CAGE 3B1R2) |
| Parameter | Value |
|---|---|
| NSN | 1615-01-591-3683 |
| Primary Part Number | 901-381-800-191 |
| Item Name | Block Assembly,rotary Wing Blade |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | Bell Boeing Joint Project Office |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 901-381-800-191 PRIMARY | Bell Boeing Joint Project Office (USA) |
| Reference | Meaning |
|---|---|
| TA30300644-191 | 3/2 Design control — primary reference U.S. Government activity |
| 901-381-800-191 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 1615-01-591-3683 is a Block Assembly,rotary Wing Blade, manufactured by Bell Boeing Joint Project Office, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-01-591-3683 has 1 manufacturer part number on file: 901-381-800-191 (Bell Boeing Joint Project Office).
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 1615-01-591-3683 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.