The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-264-9546, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dynalec Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-264-9546 |
| Primary Part Number | 4L149 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Style Designator | PLAIN FLANGE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 4L149 PRIMARY | Dynalec Corporation (USA) |
| MB4211-1 PIECE 130 PRIMARY | Dynalec Corporation (USA) |
| MB4210-1 PIECE 130 PRIMARY | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| MB4210-1 PIECE 130 | 5/9 Secondary reference The Electric Tachometer Corp. |
| MB4210 | D/9 Drawing number reference only The Electric Tachometer Corp. |
| 4L149 | 5/9 Secondary reference The Electric Tachometer Corp. |
| MB4211-1 PIECE 130 | 5/9 Secondary reference The Electric Tachometer Corp. |
NSN 3010-01-264-9546 is a Coupling,shaft,rigid, manufactured by Dynalec Corporation, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-264-9546 has 3 manufacturer part numbers on file: 4L149 (Dynalec Corporation), MB4211-1 PIECE 130 (Dynalec Corporation), MB4210-1 PIECE 130 (Dynalec Corporation).
Key specifications for 4L149: Style Designator: PLAIN FLANGE; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE; Body Material: STEEL. 3 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.