The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-110-6561, 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 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-110-6561 |
| Primary Part Number | S5904Y-G409-17 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: 0.090 IN. FROM EACH END OF HUB 120 DEG APART IN |
| Bore Length | 0.2500 INCHES NOMINAL BOTH ENDS IN |
| Design Type | NONINSULATOR SPRING ACTION |
| Outside Diameter | 0.468 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 2 SECOND END |
| Threaded Hole Quantity | 2 FIRST END |
| Thread Size Designator | 0.112-40 BOTH ENDS |
| Bore Diameter | 0.2498 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 0.1873 INCHES NOMINAL SECOND END IN |
| Furnished Items and Quantity | SETSCREW 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S5904Y-G409-17 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| G409-17 | 5/9 Secondary reference Designatronics Incorporated Div Sterling Instruments Div |
| 531243-5 | 3/2 Design control — primary reference U.S. Government activity |
| 8318-86 | 5/9 Secondary reference Matthew Warren, Inc Div Helical Products |
NSN 3010-01-110-6561 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 3010-01-110-6561 has 1 manufacturer part number on file: S5904Y-G409-17 (Designatronics Incorporated Div Sterling Instruments Div).
Key specifications for S5904Y-G409-17: Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: 0.090 IN. FROM EACH END OF HUB 120 DEG APART IN; Bore Length: 0.2500 INCHES NOMINAL BOTH ENDS IN; Design Type: NONINSULATOR SPRING ACTION. 12 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.
NSN 3010-01-110-6561 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.