The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-446-3680, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-446-3680 |
| Primary Part Number | 512-6404653-108 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Spline Type | STRAIGHT THROUGH BORE |
| Bore Length | 4.8595 INCHES NOMINAL THROUGH BORE IN |
| Overall Diameter | 2.0000 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Material Document and Classification | QQ-N-286,FORM-2,COND-AHL,AH,FIN-A FED SPEC SINGLE MATERIAL RESPONSE |
| Spline Major Diameter | 1.0000 INCHES NOMINAL THROUGH BORE IN |
| Bore Shape | SPLINED THROUGH BORE |
| Spline Quantity | 10 THROUGH BORE |
| Body Material | COPPER ALLOY |
| Bore Diameter | 0.8595 INCHES NOMINAL THROUGH BORE 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 |
|---|---|
| 512-6404652-159 | Naval Sea Systems Command (USA) |
| 512-6404653-108 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6404653 | D/9 Drawing number reference only Naval Sea Systems Command |
| DF6503-175-108 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3010-01-446-3680 is a Coupling,shaft,rigid, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-446-3680 has 2 manufacturer part numbers on file: 512-6404652-159 (Naval Sea Systems Command), 512-6404653-108 (Naval Sea Systems Command).
Key specifications for 512-6404653-108: Spline Type: STRAIGHT THROUGH BORE; Bore Length: 4.8595 INCHES NOMINAL THROUGH BORE IN; Overall Diameter: 2.0000 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE. 10 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.