The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-341-5157, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Appleton Marine Inc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-341-5157 |
| Primary Part Number | YMD-5543 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Keyway Depth | 0.1250 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 1.1250 INCHES NOMINAL FIRST END IN |
| Design Type | INTERNAL GEAR |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 2.875 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND STANDARD GRID SPRING |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 1.1250 INCHES NOMINAL 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 |
|---|---|
| NYFLEXMITE 1 1/8 IN. BORE | Woods T B Inc (USA) |
| YMD-5543 PRIMARY | Appleton Marine Inc (USA) |
NSN 3010-01-341-5157 is a Coupling,shaft,flexible, manufactured by Appleton Marine Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-341-5157 has 2 manufacturer part numbers on file: NYFLEXMITE 1 1/8 IN. BORE (Woods T B Inc), YMD-5543 (Appleton Marine Inc).
Key specifications for YMD-5543: Keyway Depth: 0.1250 INCHES NOMINAL BOTH ENDS IN; Bore Length: 1.1250 INCHES NOMINAL FIRST END 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.