The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-423-5106, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-423-5106 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Keyway Depth | 0.0670 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: 0.250 IN. FROM HUB END TO CENTER OF HOLE, 90 DEG FROM KEYWAY IN |
| Bore Length | 0.7500 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND STANDARD GRID SPRING |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Keyway Width | 0.125 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 0.5000 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 0.7500 INCHES NOMINAL SECOND END IN |
| Reference Number Differentiating Characteristics | MERCURY FREE CONTAMINATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| S1020AVN-ARX2,ARX4 | 3/1 Design control — primary reference Circor Pumps North America Llc |
| S-1020-ARX2,ARX4 | 5/9 Secondary reference California Micro Devices Corp |
| S-1020AVN-ARX2,ARX4 | 5/9 Secondary reference California Micro Devices Corp |
NSN 3010-01-423-5106 is a Coupling,shaft,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-01-423-5106: Keyway Depth: 0.0670 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: 0.250 IN. FROM HUB END TO CENTER OF HOLE, 90 DEG FROM KEYWAY IN; Bore Length: 0.7500 INCHES NOMINAL BOTH ENDS IN. 15 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.