The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-107-8574, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 8 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 | 3010-00-107-8574 |
| Primary Part Number | RD34149-1 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Spline Type | INVOLUTE THROUGH BORE |
| Overall Diameter | 0.650 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Material Document and Classification | QQ-C-530 TEMPER 1/2 H FED SPEC SINGLE MATERIAL RESPONSE |
| Bore Shape | SPLINED THROUGH BORE |
| Spline Pressure Angle in Deg | 30.000 THROUGH BORE |
| Spline Quantity | 8 THROUGH BORE |
| 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 |
|---|---|
| RD34149-1 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
NSN 3010-00-107-8574 is a Coupling,shaft,rigid, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-107-8574 has 1 manufacturer part number on file: RD34149-1 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RD34149-1: Spline Type: INVOLUTE THROUGH BORE; Overall Diameter: 0.650 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Material Document and Classification: QQ-C-530 TEMPER 1/2 H FED SPEC SINGLE MATERIAL RESPONSE. 8 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.