The Insert,flexible Coupling, cataloged under National Stock Number 3010-00-540-9841, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-540-9841 |
| Primary Part Number | 1787753 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Key Width | 0.750 INCHES NOMINAL IN |
| Overall Thickness | 1.125 INCHES NOMINAL IN |
| Style Designator | KEY TO CROSS KEY FACE, ROUND BORE |
| Key Height | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 1787753 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| BUWEPSDWG1787753 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| BUWEPSDWG1787753 | 5/9 Secondary reference U.S. Government activity |
| BUWEPSDWG1787753 | 5/2 Secondary reference U.S. Government activity |
NSN 3010-00-540-9841 is a Insert,flexible Coupling, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-540-9841 has 1 manufacturer part number on file: 1787753 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1787753: Key Width: 0.750 INCHES NOMINAL IN; Overall Thickness: 1.125 INCHES NOMINAL IN; Style Designator: KEY TO CROSS KEY FACE, ROUND BORE; Key Height: 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. 4 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.