The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-068-1539, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-068-1539 |
| Primary Part Number | 709-4684905 ITEM 13 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bore Length | 2.6200 INCHES NOMINAL FIRST END IN |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT FIRST END |
| Body Material | STEEL |
| Unthreaded Hole Quantity | 1 |
| Bore Diameter | 0.7500 INCHES NOMINAL FIRST END IN |
| Hole Diameter | 0.1880 INCHES NOMINAL0.1880 INCHES NOMINAL 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 |
|---|---|
| 709-4684905 ITEM 13 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4684905-0013 | 3/2 Design control — primary reference U.S. Government activity |
| 709-4684905 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3010-01-068-1539 is a Coupling,shaft,rigid, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-068-1539 has 1 manufacturer part number on file: 709-4684905 ITEM 13 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-068-1540, 2520-01-068-5401. Verify interchangeability with system specifications before substitution.
Key specifications for 709-4684905 ITEM 13: Bore Length: 2.6200 INCHES NOMINAL FIRST END IN; Overall Diameter: 1.500 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Overall Length: 2.620 INCHES NOMINAL2.620 INCHES NOMINAL IN. 9 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.