The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-274-3401, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hatch & Kirk, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-274-3401 |
| Primary Part Number | 3230889 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Spline Minor Diameter | 1.2740 INCHES MINIMUM AND 1.2750 INCHES MAXIMUM BOTH ENDS IN |
| Spline Type | STRAIGHT FIRST END |
| Overall Diameter | 1.997 INCHES MINIMUM AND 1.998 INCHES MAXIMUM IN |
| Spline Length | 5.375 INCHES NOMINAL FIRST END IN |
| Style Designator | PLAIN SLEEVE |
| Spline Major Diameter | 1.4990 INCHES MINIMUM AND 1.5040 INCHES MAXIMUM BOTH ENDS IN |
| Bore Shape | SPLINED BOTH ENDS |
| Spline Quantity | 6 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 |
|---|---|
| 3230889 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3230889 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 3010-00-274-3401 is a Coupling,shaft,rigid, manufactured by Hatch & Kirk, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-274-3401 has 1 manufacturer part number on file: 3230889 (Hatch & Kirk, Inc.).
Key specifications for 3230889: Spline Minor Diameter: 1.2740 INCHES MINIMUM AND 1.2750 INCHES MAXIMUM BOTH ENDS IN; Spline Type: STRAIGHT FIRST END; Overall Diameter: 1.997 INCHES MINIMUM AND 1.998 INCHES MAXIMUM IN; Spline Length: 5.375 INCHES NOMINAL FIRST END 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.