The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-003-3141, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-003-3141 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Keyway Depth | 0.0625 INCHES NOMINAL SECOND END IN |
| Keyway Depth | 0.0937 INCHES NOMINAL FIRST END IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: 0.375 IN. FROM END OF HUB 180 DEG FROM KEYWAY IN |
| Bore Length | 0.7500 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 1.594 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 5/6-18 BOTH ENDS |
| Keyway Width | 0.125 INCHES NOMINAL SECOND END IN |
| Keyway Width | 0.188 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 0.5000 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 0.6250 INCHES NOMINAL FIRST END IN |
| Furnished Items and Quantity | SETSCREW 2 |
| Insert Material | RUBBER SYNTHETIC |
| Reference Number Differentiating Characteristics | FREE OF MERCURY FOR NUCLEAR PROPULSION PLANTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A20113B072 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 11742 | 3/1 Design control — primary reference Altra Industrial Motion Corp. |
NSN 3010-01-003-3141 is a Coupling,shaft,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5130-01-131-8142, 4470-01-346-3391, 6525-01-522-4379. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-01-003-3141: Keyway Depth: 0.0625 INCHES NOMINAL SECOND END IN; Keyway Depth: 0.0937 INCHES NOMINAL FIRST END IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: 0.375 IN. FROM END OF HUB 180 DEG FROM KEYWAY IN. 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.