The Shaft Assembly,flexible, cataloged under National Stock Number 3040-00-858-8141, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-858-8141 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| End Connection Type | THREADED INTERNAL BOTH ENDS |
| Thread Location | INTERNAL BOTH ENDS |
| Core Diameter | 0.130 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Casing Length Between Ferrules | 32.000 INCHES NOMINAL IN |
| Core Rotation Direction | CLOCKWISE |
| Core Removability | NONREMOVABLE |
| Core Overall Length | 33.875 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNS BOTH ENDS |
| Surface Treatment | ZINC CASING |
| Thread Class | 2B BOTH ENDS |
| Material | STEEL CORE |
| Material | STEEL CASING |
| Casing Outside Diameter | 0.295 INCHES NOMINAL IN |
| End Type | SQUARE MALE SECOND END |
| End Type | ROUND FEMALE FIRST END |
| Tip Length | 0.375 INCHES NOMINAL SECOND END IN |
| Tip Length | 0.312 INCHES NOMINAL FIRST 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 |
| Reference | Meaning |
|---|---|
| 29807 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 29807 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| A29807 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| A29807 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
NSN 3040-00-858-8141 is a Shaft Assembly,flexible, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5935-01-263-9593. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-858-8141: End Connection Type: THREADED INTERNAL BOTH ENDS; Overall Length: 33.875 INCHES NOMINAL IN; Thread Location: INTERNAL BOTH ENDS; Core Diameter: 0.130 INCHES NOMINAL IN. 18 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.