The Shaft,shouldered, cataloged under National Stock Number 3040-01-499-7062, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-499-7062 |
| Primary Part Number | 123-7535145 ITEM NO 74 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Second End External Thread Length | 1.313 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 1.1225 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN |
| Second End Diameter | 0.8983 INCHES MINIMUM AND 0.9033 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.122 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | ASTM A276 CRES NATIONAL SPEC ALL MATERIAL RESPONSES |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| 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 |
|---|---|
| 123-7535145 ITEM NO 74 PRIMARY | Naval Sea Systems Command (USA) |
| 123-7556733 ITEM NO 45 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 123-7535145 DET | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 123-7535145 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-499-7062 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-499-7062 has 2 manufacturer part numbers on file: 123-7535145 ITEM NO 74 (Naval Sea Systems Command), 123-7556733 ITEM NO 45 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-499-7142. Verify interchangeability with system specifications before substitution.
Key specifications for 123-7535145 ITEM NO 74: Second End External Thread Length: 1.313 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 1.1225 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN; Second End Diameter: 0.8983 INCHES MINIMUM AND 0.9033 INCHES MAXIMUM IN. 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.