The Cover,blade Fold, cataloged under National Stock Number 1615-01-389-6804, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-01-389-6804 |
| Primary Part Number | 37561-1 |
| Item Name | Cover,blade Fold |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL PI AND P3 ALUMINUM ALLOY (5052) PER DCC 490 TYPE III OR ALUMINUM ALLOY (6061) PER DCC 490 TYPE IV P2- ALUMINUM BAR(6061) PER DCC 490 TYPE 1V V |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 37561-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 37561-1 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
NSN 1615-01-389-6804 is a Cover,blade Fold, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-01-389-6804 has 1 manufacturer part number on file: 37561-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 37561-1: General Characteristics Item Description: MATERIAL PI AND P3 ALUMINUM ALLOY (5052) PER DCC 490 TYPE III OR ALUMINUM ALLOY (6061) PER DCC 490 TYPE IV P2- ALUMINUM BAR(6061) PER DCC 490 TYPE 1V V; Special Features: USED ON A AIRFRAME.. 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.
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.