The Coupling Half,shaft, cataloged under National Stock Number 3010-00-540-9838, 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 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3010-00-540-9838 |
| Primary Part Number | 1655767 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Style | FLEXIBLE KEYWAY INSERT TYPE, THROUGH BORE |
| Material Document and Classification | QQ-S-624, FS4130 FED SPEC SINGLE MATERIAL RESPONSE |
| Spline Major Diameter | 1.014 INCHES MINIMUM AND 1.024 INCHES MAXIMUM IN |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Bore Shape | SPLINED |
| Spline Quantity | 19 |
| Material | STEEL |
| 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 |
|---|---|
| 1655767 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| BUWEPSDWG1655767 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| BUWEPSDWG1655767 | 5/9 Secondary reference U.S. Government activity |
| BUWEPSDWG1655767 | 5/2 Secondary reference U.S. Government activity |
NSN 3010-00-540-9838 is a Coupling Half,shaft, 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 3010-00-540-9838 has 1 manufacturer part number on file: 1655767 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1655767: Body Style: FLEXIBLE KEYWAY INSERT TYPE, THROUGH BORE; Material Document and Classification: QQ-S-624, FS4130 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.812 INCHES NOMINAL IN; Spline Major Diameter: 1.014 INCHES MINIMUM AND 1.024 INCHES MAXIMUM IN. 7 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.