The Shaft Assembly,flexible, cataloged under National Stock Number 3040-00-031-3648, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-031-3648 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Thread Location | INTERNAL FIRST END |
| Thread Location | INTERNAL SECOND END |
| Core Diameter | 0.150 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Casing Length Between Ferrules | 162.000 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.187 INCHES NOMINAL FIRST END IN |
| Shank Outside Diameter | 0.105 INCHES NOMINAL SECOND END IN |
| Core Removability | REMOVABLE |
| Core Overall Length | 163.400 INCHES MINIMUM AND 163.710 INCHES MAXIMUM IN |
| Screw Thread Series Designator | UNS FIRST END |
| Screw Thread Series Designator | UNF SECOND END |
| Thread Class | 2B FIRST END |
| Thread Class | 2B SECOND END |
| Casing Outside Diameter | 0.445 INCHES NOMINAL IN |
| End Type | ROUND FEMALE FIRST END |
| End Type | ROUND FEMALE SECOND END |
| 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 |
|---|---|
| 234-0156 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3040-00-031-3648 is a Shaft Assembly,flexible, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-031-3648: Thread Location: INTERNAL FIRST END; Thread Location: INTERNAL SECOND END; Core Diameter: 0.150 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND SECOND END. 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.