The Shaft,straight, cataloged under National Stock Number 3040-01-487-3593, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-487-3593 |
| Primary Part Number | 518-5004109 ITEM 33 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| First End Style | PLAIN |
| End Similarity | NOT IDENTICAL |
| Second End Style | SLOTTED |
| Material | STEEL COMP 1018 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2014-82 ITEM 33 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 518-5004109 ITEM 33 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 2014-82 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 5004109 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3040-01-487-3593 is a Shaft,straight, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-487-3593 has 2 manufacturer part numbers on file: 2014-82 ITEM 33 (Huntington Ingalls Inc Div Newport News Shipbuilding), 518-5004109 ITEM 33 (Huntington Ingalls Inc Div Newport News Shipbuilding).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-487-3603, 3020-01-487-3615. Verify interchangeability with system specifications before substitution.
Key specifications for 518-5004109 ITEM 33: First End Style: PLAIN; Overall Length: 8.2500 INCHES NOMINAL IN; End Similarity: NOT IDENTICAL; Special Features: FIRST END CENTER DRILLED 0.1250 INCH DIA. X 0.5000 INCHES DEEP; SECOND END SLOT 0.2500 INCHES DEEP CENTERED ON SHAFT; SHAFT DIA. 0.6240 TO 0.6250 INCHES FULL LENGTH IN. 4 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.