The Shaft,shouldered, cataloged under National Stock Number 3040-01-498-1260, 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 17 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 | 3040-01-498-1260 |
| Primary Part Number | 752-7068502-7 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Second End Keyway Depth | 0.1400 INCHES MAXIMUM IN |
| First End Keyway Width | 0.5030 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| First End Keyway Depth | 0.1400 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Largest Step Diameter | 1.565 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM-A564,COMP 630 NATIONAL SPEC ALL MATERIAL RESPONSES |
| External Keyway Length | 1.1900 INCHES MINIMUM AND 1.2200 INCHES MAXIMUM SECOND END IN |
| Second End Diameter | 0.9982 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN |
| External Keyway Length | 1.0400 INCHES MAXIMUM FIRST END IN |
| Second End Keyway Width | 0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN |
| Second End Angle Between Keyways | 180.0 DEGREES NOMINAL |
| First End Diameter | 1.5500 INCHES MINIMUM AND 1.5650 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 0.8950 INCHES MAXIMUM IN |
| Step Quantity | 2 |
| Second End Style | TWO FLAT KEYWAYS |
| End Similarity | NOT IDENTICAL |
| First End Style | INDENTED FLAT KEYWAY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 752-7068502 | Naval Sea Systems Command (USA) |
| 752-7068502-7 PRIMARY | Naval Sea Systems Command (USA) |
| H832-1684-7 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 3040-01-498-1260 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-498-1260 has 3 cross-referenced part numbers: 752-7068502 (Naval Sea Systems Command), 752-7068502-7 (Naval Sea Systems Command), H832-1684-7 (Electric Boat Corporation Div General Dynamics Electric Boat).
There are 5 known substitutes for 3040-01-498-1260: 3040-01-498-1436, 3040-01-498-1457, 3040-01-498-1539 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 752-7068502-7: Second End Keyway Depth: 0.1400 INCHES MAXIMUM IN; First End Keyway Width: 0.5030 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN; First End Keyway Depth: 0.1400 INCHES MAXIMUM IN; End Item Identification: WEAPONS CRADLE LASHING BAND RELEASE MECHANISM ASSY; LA CLASS 688 SUBMARINE.. 20 total characteristics are documented in the Federal Logistics Information System.