The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-411-8409, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lovejoy, Llc Div Lovejoy. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-411-8409 |
| Primary Part Number | L190H 1-7/8X1-1/2 IN. BORES |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Lovejoy, Llc Div Lovejoy |
| Status | ACTIVE |
| Keyway Depth | 0.2500 INCHES NOMINAL FIRST END IN |
| Keyway Depth | 0.1560 INCHES NOMINAL SECOND END IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: IN HUB OVER KEYWAY |
| Bore Length | 2.1250 INCHES NOMINAL SECOND END IN |
| Bore Length | 2.1250 INCHES NOMINAL FIRST END IN |
| Design Type | MULTIJAW |
| Keying Facility Type | KEYWAY FIRST END |
| Keying Facility Type | KEYWAY SECOND END |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 SECOND END |
| Keying Facility Quantity | 1 FIRST END |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 7/16-14 SECOND END |
| Thread Size Designator | 9/16-12 FIRST END |
| Keyway Width | 0.500 INCHES NOMINAL FIRST END IN |
| Keyway Width | 0.312 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 1.8750 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 1.5000 INCHES NOMINAL SECOND END 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 |
|---|---|
| FC-190H 1-7/8X1-1/2 IN. BORES | Maurey Mfg Co (USA) |
| L190H 1-7/8X1-1/2 IN. BORES PRIMARY | Lovejoy, Llc Div Lovejoy (USA) |
| Reference | Meaning |
|---|---|
| L190H 1-7/8X1-1/2 IN. BORES | 5/9 Secondary reference Morel Foundry Corp |
| 30CT39-102 PC 3 | 5/9 Secondary reference Nicks Hydraulic Services Inc |
| L190H 1-7/8X1-1/2 IN. BORES | 5/9 Secondary reference U.S. Government activity |
| L190H 1-7/8X1-1/2 IN. BORES | 5/9 Secondary reference Emerson Electric Co Browning Mfg Div |
| ML 190 | C/1 Advisory reference — outside the item-of-supply concept Lovejoy, Llc Div Lovejoy |
| ML190H 1-7/8X1-1/2 IN. BORES | 5/9 Secondary reference Martin Sprocket and Gear Inc |
NSN 3010-01-411-8409 is a Coupling,shaft,flexible, manufactured by Lovejoy, Llc Div Lovejoy, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-411-8409 has 2 manufacturer part numbers on file: FC-190H 1-7/8X1-1/2 IN. BORES (Maurey Mfg Co), L190H 1-7/8X1-1/2 IN. BORES (Lovejoy, Llc Div Lovejoy).
Key specifications for L190H 1-7/8X1-1/2 IN. BORES: Keyway Depth: 0.2500 INCHES NOMINAL FIRST END IN; Keyway Depth: 0.1560 INCHES NOMINAL SECOND END IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: IN HUB OVER KEYWAY. 21 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.