The Adapter,motor,hoist, cataloged under National Stock Number 3950-01-687-9557, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Rolls-Royce Corporation. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-687-9557 |
| Primary Part Number | 23090731 |
| Item Name | Adapter,motor,hoist |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 4106AS0141-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 23090731 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4106AS0140 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3950-01-687-9557 is a Adapter,motor,hoist, manufactured by Rolls-Royce Corporation, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-687-9557 has 2 manufacturer part numbers on file: 4106AS0141-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 23090731 (Rolls-Royce Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-687-9563. Verify interchangeability with system specifications before substitution.
Key specifications for 23090731: Part Name Assigned by Controlling Agency: ADAPTER, LIFTING FWD ENGINE; End Item Identification: ENGINE LIFT; 4106AS0140. 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.
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.