The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-223-4698, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Allied Systems Company Dba Allied Systems Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-223-4698 |
| Primary Part Number | 138994W |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Allied Systems Company Dba Allied Systems Co |
| Status | ACTIVE |
| Spline Minor Diameter | 1.7350 INCHES NOMINAL FIRST END IN |
| Spline Type | INVOLUTE FIRST END |
| Overall Diameter | 2.384 INCHES NOMINAL IN |
| Spline Length | 2.000 INCHES NOMINAL FIRST END IN |
| Style Designator | PLAIN SLEEVE |
| Spline Major Diameter | 1.9920 INCHES NOMINAL FIRST END IN |
| Bore Shape | SPLINED FIRST END |
| Spline Pressure Angle in Deg | 20.000 FIRST END |
| Spline Quantity | 15 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 |
NSN 3010-00-223-4698 is a Coupling,shaft,rigid, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-223-4698 has 2 manufacturer part numbers on file: 138994W (Allied Systems Company Dba Allied Systems Co), 138994W (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-330-2929. Verify interchangeability with system specifications before substitution.
Key specifications for 138994W: Spline Minor Diameter: 1.7350 INCHES NOMINAL FIRST END IN; Spline Type: INVOLUTE FIRST END; Overall Diameter: 2.384 INCHES NOMINAL IN; Spline Length: 2.000 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.