The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-470-9902, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cummins Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-470-9902 |
| Primary Part Number | 156821 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Spline Minor Diameter | 1.5560 INCHES NOMINAL FIRST END IN |
| Spline Type | INVOLUTE FIRST END |
| Overall Diameter | 1.738 INCHES NOMINAL IN |
| Spline Length | 0.890 INCHES NOMINAL FIRST END IN |
| Style Designator | PLAIN SLEEVE |
| Spline Major Diameter | 1.7380 INCHES NOMINAL FIRST END IN |
| Bore Shape | SPLINED FIRST END |
| Spline Pressure Angle in Deg | 30.000 FIRST END |
| Spline Quantity | 20 FIRST END |
| Body 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 |
|---|---|
| 156821 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 258893C1 | 5/2 Secondary reference U.S. Government activity |
NSN 3010-00-470-9902 is a Coupling,shaft,rigid, manufactured by Cummins Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-470-9902 has 1 manufacturer part number on file: 156821 (Cummins Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3040-00-779-9568, 5935-01-434-7216. Verify interchangeability with system specifications before substitution.
Key specifications for 156821: Spline Minor Diameter: 1.5560 INCHES NOMINAL FIRST END IN; Spline Type: INVOLUTE FIRST END; Overall Diameter: 1.738 INCHES NOMINAL IN; Spline Length: 0.890 INCHES NOMINAL FIRST END IN. 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.