The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-232-7030, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rexnord Industries, Llc Div Couplings Division. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-232-7030 |
| Primary Part Number | 75CS-X |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rexnord Industries, Llc Div Couplings Division |
| Status | ACTIVE |
| Securing Method | UNTHREADED HOLE(S) SECOND END |
| Securing Method | THREADED HOLE(S) FIRST END |
| Threaded Hole Location | BOTH ENDS: 0.810 IN. FROM END OF HUB IN |
| Design Type | NONINSULATOR SPRING ACTION |
| Keying Facility Type | KEYWAY FIRST END |
| Keying Facility Spacing in Deg | 0.0 BOTH ENDS |
| Outside Diameter | 3.250 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 FIRST END |
| Threaded Hole Quantity | 1 FIRST END |
| Unthreaded Hole Quantity | 1 SECOND END |
| Thread Size Designator | 0.190-32 FIRST END |
| Keyway Width | 0.377 INCHES NOMINAL FIRST END IN |
| Unthreaded Hole Location | BOTH ENDS: 0.180 DEG FROM THD HOLE |
| Bore Diameter | 0.6250 INCHES MINIMUM AND 1.5010 INCHES MAXIMUM THROUGH BORE IN |
| Hole Diameter | 0.125 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 |
|---|---|
| 75CS-X PRIMARY | Rexnord Industries, Llc Div Couplings Division (USA) |
| Reference | Meaning |
|---|---|
| 68A15D129 | 5/9 Secondary reference Rexnord Industries, Llc Div Couplings Division |
| 68A15D129 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3010-00-232-7030 is a Coupling,shaft,flexible, manufactured by Rexnord Industries, Llc Div Couplings Division, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-232-7030 has 1 manufacturer part number on file: 75CS-X (Rexnord Industries, Llc Div Couplings Division).
Key specifications for 75CS-X: Securing Method: UNTHREADED HOLE(S) SECOND END; Securing Method: THREADED HOLE(S) FIRST END; Threaded Hole Location: BOTH ENDS: 0.810 IN. FROM END OF HUB IN; Design Type: NONINSULATOR SPRING ACTION. 17 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.