The Block,rotary Wing, cataloged under National Stock Number 1615-01-125-8779, 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 Seanair, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-01-125-8779 |
| Primary Part Number | 65170-11041-101 |
| Item Name | Block,rotary Wing |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | Seanair, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,4130 COND C / D,MIL-S-6758 |
| 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 |
|---|---|
| 65170-11041-101 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 65170-11041-101 PRIMARY | Seanair, Llc (USA) |
NSN 1615-01-125-8779 is a Block,rotary Wing, manufactured by Seanair, Llc, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-01-125-8779 has 2 manufacturer part numbers on file: 65170-11041-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 65170-11041-101 (Seanair, Llc).
Key specifications for 65170-11041-101: General Characteristics Item Description: STEEL,4130 COND C / D,MIL-S-6758; End Item Identification: AIRCRAFT MODEL CH-53E ROTARY WING BLADE. 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 1615-01-125-8779 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.