The Coupling Half,shaft, cataloged under National Stock Number 3010-01-399-5690, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 specifications, 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 | 3010-01-399-5690 |
| Primary Part Number | 564-6408197 FIND 1 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Style | FLEXIBLE KEY INSERT TYPE, THROUGH BORE |
| Spline Major Diameter | 0.860 INCHES NOMINAL IN |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Bore Shape | SPLINED |
| Spline Quantity | 10 |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 6408197 FIND 1 | Naval Sea Systems Command (USA) |
| 564-6408197 FIND 1 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3010-01-399-5690 is a Coupling Half,shaft, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-399-5690 has 2 manufacturer part numbers on file: 6408197 FIND 1 (Naval Sea Systems Command), 564-6408197 FIND 1 (Naval Sea Systems Command).
Key specifications for 564-6408197 FIND 1: Body Style: FLEXIBLE KEY INSERT TYPE, THROUGH BORE; Overall Length: 2.130 INCHES NOMINAL IN; Spline Major Diameter: 0.860 INCHES NOMINAL IN; Outside Diameter: 2.750 INCHES NOMINAL IN. 6 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.