The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-400-0545, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is System Components Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-400-0545 |
| Primary Part Number | SC-1777 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | System Components Inc |
| Status | ACTIVE |
| Keyway Depth | 0.1875 INCHES NOMINAL SECOND END IN |
| Keyway Depth | 0.2500 INCHES NOMINAL FIRST END IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 5.130 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND SHROUDED COUPLING BOLT TYPE AND EXPOSED COUPLING BOLT TYPE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.500 INCHES NOMINAL FIRST END IN |
| Keyway Width | 0.375 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 1.5005 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 1.8755 INCHES NOMINAL FIRST END IN |
| Furnished Items and Quantity | BOLTS,6;WASHER,6 |
| Insert Material | RUBBER |
| 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 |
|---|---|
| SC-1777 PRIMARY | System Components Inc (USA) |
| Reference | Meaning |
|---|---|
| SC-1072 | 5/9 Secondary reference System Components Inc |
| 62150-1 | 5/2 Secondary reference U.S. Government activity |
| 62150-1 | 5/9 Secondary reference U.S. Government activity |
| 62150-1 | 5/9 Secondary reference Drs Environmental Systems Inc |
NSN 3010-01-400-0545 is a Coupling,shaft,flexible, manufactured by System Components Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-400-0545 has 1 manufacturer part number on file: SC-1777 (System Components Inc).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-407-6708. Verify interchangeability with system specifications before substitution.
Key specifications for SC-1777: Keyway Depth: 0.1875 INCHES NOMINAL SECOND END IN; Keyway Depth: 0.2500 INCHES NOMINAL FIRST END IN; Design Type: INSERT; Keying Facility Type: KEYWAY BOTH ENDS. 14 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.