The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-206-4889, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-206-4889 |
| Primary Part Number | S-9911A-G401-4 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Bore Length | 0.2812 INCHES NOMINAL BOTH ENDS IN |
| Design Type | MULTIJAW |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Bore Diameter | 0.2498 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | SETSCREW 2 |
| 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 |
|---|---|
| S-9911A-G401-4 PRIMARY | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| G401-4 | 5/9 Secondary reference Designatronics Incorporated Div Sterling Instruments Div |
NSN 3010-01-206-4889 is a Coupling,shaft,flexible, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-206-4889 has 1 manufacturer part number on file: S-9911A-G401-4 (Designatronics Incorporated Div Sterling Instruments Div).
Key specifications for S-9911A-G401-4: Bore Length: 0.2812 INCHES NOMINAL BOTH ENDS IN; Design Type: MULTIJAW; Overall Length: 1.172 INCHES NOMINAL IN; Outside Diameter: 1.000 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.