The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-778-3091, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-778-3091 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: HOLES SPACED 90 DEG APART |
| Bore Length | 0.2180 INCHES NOMINAL BOTH ENDS IN |
| Design Type | DOUBLE DISK |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT FIRST END |
| Bore Shape | STRAIGHT SECOND END |
| Threaded Hole Quantity | 2 BOTH ENDS |
| Thread Size Designator | NO. 2/0.086 IN./-56 THD SIZE BOTH ENDS IN |
| Bore Diameter | 0.0900 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM 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 |
| Reference | Meaning |
|---|---|
| B39R45R | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-00-778-3091 is a Coupling,shaft,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-00-778-3091: Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: HOLES SPACED 90 DEG APART; Bore Length: 0.2180 INCHES NOMINAL BOTH ENDS IN; Design Type: DOUBLE DISK. 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.