The Shaft,shouldered, cataloged under National Stock Number 3040-01-498-1457, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-498-1457 |
| Primary Part Number | 752-7068502-53 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Style | UNTHREADED CROSS DRILLED |
| First End Distance From Hole Center to End | 0.6300 INCHES NOMINAL IN |
| Largest Step Diameter | 1.997 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN |
| Second End Hole Diameter | 0.5030 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Second End Style | UNTHREADED CROSS DRILLED |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.5030 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| First End Diameter | 1.5600 INCHES NOMINAL IN |
| Step Quantity | 9 |
| Second End Distance From Hole Center to End | 0.8700 INCHES NOMINAL IN |
| Second End Diameter | 1.5600 INCHES NOMINAL IN |
| Material Document and Classification | ASTM-A564,TY-630 NATIONAL SPEC ALL MATERIAL RESPONSES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 752-7068502 | Naval Sea Systems Command (USA) |
| H832-1684-53 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 752-7068502-53 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-498-1457 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-498-1457 has 3 cross-referenced part numbers: 752-7068502 (Naval Sea Systems Command), H832-1684-53 (Electric Boat Corporation Div General Dynamics Electric Boat), 752-7068502-53 (Naval Sea Systems Command).
There are 5 known substitutes for 3040-01-498-1457: 3040-01-498-1260, 3040-01-498-1436, 3040-01-498-1539 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 752-7068502-53: First End Style: UNTHREADED CROSS DRILLED; First End Distance From Hole Center to End: 0.6300 INCHES NOMINAL IN; Special Features: END 1 HOLE IS ELONGATED MEASURING 1.010 IN LENGTH. IN; End Item Identification: WEAPONS CRADLE LASHING BAND RELEASE MECHANISM ASSY; LA CLASS 688 SUBMARINE.. 16 total characteristics are documented in the Federal Logistics Information System.