The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-143-5693, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-143-5693 |
| Primary Part Number | 6B3249-090 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Bore Length | 0.730 INCHES NOMINAL BOTH ENDS IN |
| Overall Diameter | 0.874 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Body Material | STEEL |
| Bore Diameter | 0.313 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| 6B3249-090 | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 71331310-001-1 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
| 71331310-001 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
| 71331310-001 | 5/9 Secondary reference Lockheed Martin Corporation |
| 71331310-001-1 | 3/9 Design control — primary reference Lockheed Martin Corporation |
NSN 3010-01-143-5693 is a Coupling,shaft,rigid, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-143-5693 has 1 manufacturer part number on file: 6B3249-090 (Mpb Corp Div Timken Super Precision).
Key specifications for 6B3249-090: Bore Length: 0.730 INCHES NOMINAL BOTH ENDS IN; Overall Diameter: 0.874 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Overall Length: 1.225 INCHES NOMINAL IN. 6 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.