The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-203-1641, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-203-1641 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: 2 HOLES IN EACH HUB |
| Bore Length | 0.2500 INCHES NOMINAL SECOND END IN |
| Bore Length | 0.4380 INCHES NOMINAL FIRST END IN |
| Insulator Material | CERAMIC |
| Design Type | INSULATOR W/SPRING ACTION |
| Bore Shape | STRAIGHT FIRST END |
| Bore Shape | STRAIGHT SECOND END |
| Threaded Hole Quantity | 4 BOTH ENDS |
| Thread Size Designator | 6-32 BOTH ENDS |
| Width | 1.281 INCHES NOMINAL1.281 INCHES NOMINAL IN |
| Bore Diameter | 0.2530 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 0.2530 INCHES NOMINAL SECOND END IN |
| Furnished Items and Quantity | 4 SETSCREWS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A50471A | 3/9 Design control — primary reference Mutron Corp |
NSN 3010-00-203-1641 is a Coupling,shaft,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-00-203-1641: Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: 2 HOLES IN EACH HUB; Bore Length: 0.2500 INCHES NOMINAL SECOND END IN; Bore Length: 0.4380 INCHES NOMINAL FIRST END IN. 14 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.