The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-352-8294, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3010-00-352-8294 |
| Primary Part Number | 7B2719 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Spline Minor Diameter | 1.7310 INCHES MINIMUM AND 1.7320 INCHES MAXIMUM BOTH ENDS IN |
| Spline Type | STRAIGHT BOTH ENDS |
| Overall Diameter | 2.375 INCHES NOMINAL IN |
| Spline Length | 7.000 INCHES NOMINAL FIRST END IN |
| Style Designator | PLAIN SLEEVE |
| Spline Major Diameter | 1.9970 INCHES MINIMUM AND 1.9980 INCHES MAXIMUM BOTH ENDS IN |
| Bore Shape | SPLINED BOTH ENDS |
| Spline Pressure Angle in Deg | 22.500 FIRST END |
| Spline Quantity | 16 BOTH ENDS |
| Body Material | STEEL |
| Unthreaded Hole Quantity | 2 |
| Hole Diameter | 0.3280 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 |
NSN 3010-00-352-8294 is a Coupling,shaft,rigid, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-352-8294 has 3 manufacturer part numbers on file: 7B2719 (Caterpillar Inc Div Caterpillar Defense), 33785 (Hyster-Yale Group, Inc.), 33785 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling).
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-914-9152, 7025-01-623-8248. Verify interchangeability with system specifications before substitution.
Key specifications for 7B2719: Spline Minor Diameter: 1.7310 INCHES MINIMUM AND 1.7320 INCHES MAXIMUM BOTH ENDS IN; Spline Type: STRAIGHT BOTH ENDS; Overall Diameter: 2.375 INCHES NOMINAL IN; Spline Length: 7.000 INCHES NOMINAL FIRST END IN. 12 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.