The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-278-8745, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Maurey Mfg Co. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3010-01-278-8745 |
| Primary Part Number | FC-225C |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Maurey Mfg Co |
| Status | ACTIVE |
| Keyway Depth | 0.1560 INCHES NOMINAL FIRST END IN |
| Keyway Depth | 0.2500 INCHES NOMINAL SECOND END IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: OVER KEYWAY |
| Bore Length | 2.5000 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 5.625 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 7/16-14 FIRST END |
| Thread Size Designator | 9/16-12 SECOND END |
| Keyway Width | 0.500 INCHES NOMINAL SECOND END IN |
| Keyway Width | 0.312 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 1.2505 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 1.8755 INCHES NOMINAL FIRST END IN |
| Insert Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 5498133-1 | Naval Sea Systems Command (USA) |
| FC-225C PRIMARY | Maurey Mfg Co (USA) |
| 5498133-1 PRIMARY | Lovejoy, Llc Div Lovejoy (USA) |
| Reference | Meaning |
|---|---|
| 5498133 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 5498133-3 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| LC-225 | 5/1 Secondary reference Lovejoy, Llc Div Lovejoy |
NSN 3010-01-278-8745 is a Coupling,shaft,flexible, manufactured by Maurey Mfg Co, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-278-8745 has 3 manufacturer part numbers on file: 5498133-1 (Naval Sea Systems Command), FC-225C (Maurey Mfg Co), 5498133-1 (Lovejoy, Llc Div Lovejoy).
Key specifications for FC-225C: Keyway Depth: 0.1560 INCHES NOMINAL FIRST END IN; Keyway Depth: 0.2500 INCHES NOMINAL SECOND END IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: OVER KEYWAY. 19 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.