The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-417-2804, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rexnord Industries Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3010-01-417-2804 |
| Primary Part Number | 1030G20-4.125IN |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Keyway Depth | 0.5000 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| 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 |
|---|---|
| 1030G20-4.125IN PRIMARY | Rexnord Industries Llc (USA) |
| 3 X 4.4 4.125 IN. BORE | Woods T B Inc (USA) |
| 3HM 4.125 IN. BORE | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| 3 4.125 IN. BORE | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| FS203 4.125 IN. BORE | Ameridrives International Llc Dba Ameridrives International Llc (USA) |
| 30G20 4.125 IN. BORE | Rexnord Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| F-3 EB 4.125 IN. BORE | 5/9 Secondary reference Woods T B Inc |
| 203 4.125 IN. BORE | 5/9 Secondary reference Ameridrives International Llc Dba Ameridrives International Llc |
| 3W 4.125 IN. BORE | 5/9 Secondary reference Reliance Electric Company Dba Reliance & Dodge Brands |
| 3 X 4.4 4.125 IN. BORE | 5/9 Secondary reference Woods T B Inc Poole Div |
NSN 3010-01-417-2804 is a Coupling,shaft,flexible, manufactured by Rexnord Industries Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-417-2804 has 6 manufacturer part numbers on file: 1030G20-4.125IN (Rexnord Industries Llc), 3 X 4.4 4.125 IN. BORE (Woods T B Inc), 3HM 4.125 IN. BORE (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), 3 4.125 IN. BORE (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), FS203 4.125 IN. BORE (Ameridrives International Llc Dba Ameridrives International Llc) and 1 more.
Key specifications for 1030G20-4.125IN: Keyway Depth: 0.5000 INCHES NOMINAL BOTH ENDS IN; Design Type: INTERNAL GEAR; Overall Length: 7.370 INCHES NOMINAL IN. 2 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.