The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-413-8261, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3010-01-413-8261 |
| Primary Part Number | 662384-160031RB |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: THROUGH FLANGE EQUALLY SPACED |
| Bore Length | 6.2500 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| Outside Diameter | 8.375 INCHES NOMINAL IN |
| Features Provided | EXPOSED COUPLING BOLT TYPE AND GEAR FLEX |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 6 BOTH ENDS |
| Thread Size Designator | 5/8-18 BOTH ENDS |
| Bore Diameter | 3.3750 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | BOLTS 6 |
| 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 |
|---|---|
| 2 1/2X3.8RB | Woods T B Inc (USA) |
| 1025G20RB | Rexnord Industries Llc (USA) |
| 662384-160031RB PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| FS202 1/2 EB/RB | Ameridrives International Llc Dba Ameridrives International Llc (USA) |
| 2 1/2HMRB | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| Reference | Meaning |
|---|---|
| 2 1/2WRB | 5/9 Secondary reference Reliance Electric Company Dba Reliance & Dodge Brands |
| 662384FB-160031RB | 5/9 Secondary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| F-2 1/2 EB RB | 5/9 Secondary reference Woods T B Inc |
| 2 1/2X3.8RB | 5/9 Secondary reference Woods T B Inc Poole Div |
NSN 3010-01-413-8261 is a Coupling,shaft,flexible, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-413-8261 has 5 manufacturer part numbers on file: 2 1/2X3.8RB (Woods T B Inc), 1025G20RB (Rexnord Industries Llc), 662384-160031RB (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), FS202 1/2 EB/RB (Ameridrives International Llc Dba Ameridrives International Llc), 2 1/2HMRB (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).
Key specifications for 662384-160031RB: Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: THROUGH FLANGE EQUALLY SPACED; Bore Length: 6.2500 INCHES NOMINAL BOTH ENDS IN; Design Type: INTERNAL GEAR. 11 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.