The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-216-9455, 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 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-216-9455 |
| Primary Part Number | 1HMRB |
| 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 |
| Keyway Depth | 0.5000 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 1.6900 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 4.560 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE AND SPLINE GEAR TEETH |
| Bore Shape | ROUGH STOCK BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 1.8750 INCHES MAXIMUM BOTH ENDS IN |
| 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 |
|---|---|
| 1HMRB PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| 1WRB PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| F-1RB PRIMARY | Woods T B Inc (USA) |
| 1010G20RB | Rexnord Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 1010G20 | 5/1 Secondary reference Rexnord Industries Llc |
NSN 3010-01-216-9455 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 3010-01-216-9455 has 4 manufacturer part numbers on file: 1HMRB (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), 1WRB (Reliance Electric Company Dba Reliance & Dodge Brands), F-1RB (Woods T B Inc), 1010G20RB (Rexnord Industries Llc).
Key specifications for 1HMRB: Keyway Depth: 0.5000 INCHES NOMINAL BOTH ENDS IN; Bore Length: 1.6900 INCHES NOMINAL BOTH ENDS IN; Design Type: INTERNAL GEAR; Keying Facility Type: KEYWAY BOTH ENDS. 10 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.