The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-442-0551, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-442-0551 |
| Primary Part Number | 775-4389-001 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Spline Minor Diameter | 0.2080 INCHES NOMINAL FIRST END IN |
| Spline Type | INVOLUTE BOTH ENDS |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| Spline Length | 0.625 INCHES NOMINAL FIRST END IN |
| Style Designator | PLAIN SLEEVE |
| Spline Major Diameter | 0.2500 INCHES NOMINAL FIRST END IN |
| Bore Shape | SPLINED BOTH ENDS |
| Spline Pressure Angle in Deg | 30.000 FIRST END |
| Spline Quantity | 11 BOTH ENDS |
| Body Material | COPPER ALLOY |
| 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 |
|---|---|
| 775-4389-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 3010-00-442-0551 is a Coupling,shaft,rigid, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-442-0551 has 1 manufacturer part number on file: 775-4389-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 775-4389-001: Spline Minor Diameter: 0.2080 INCHES NOMINAL FIRST END IN; Spline Type: INVOLUTE BOTH ENDS; Overall Diameter: 0.375 INCHES NOMINAL IN; Spline Length: 0.625 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.