The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-055-3593, 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10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-055-3593 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) FIRST END |
| Threaded Hole Location | FIRST END: ONE 0.438 IN. FROM HUB END; SECOND END: ONE 0.250 IN. FROM HUB END IN |
| Bore Length | 0.1590 INCHES NOMINAL BOTH ENDS IN |
| Design Type | DOUBLE DISK |
| Outside Diameter | 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 2 BOTH ENDS |
| Thread Size Designator | NO. 2 /0.086 IN./-56 THD SIZE BOTH ENDS IN |
| Bore Diameter | 0.1875 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | SETSCREWS 4 |
| 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 |
|---|---|
| B45R51R | 3/2 Design control — primary reference U.S. Government activity |
| A101-81 | 3/2 Design control — primary reference U.S. Government activity |
| 577R070H04 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3010-00-055-3593 is a Coupling,shaft,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-00-500-9367. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-00-055-3593: Securing Method: THREADED HOLE(S) FIRST END; Threaded Hole Location: FIRST END: ONE 0.438 IN. FROM HUB END; SECOND END: ONE 0.250 IN. FROM HUB END IN; Bore Length: 0.1590 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.