The Shaft,shouldered, cataloged under National Stock Number 3040-01-498-1436, 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 15 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 | 3040-01-498-1436 |
| Primary Part Number | 752-7068502-81 |
| 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 Diameter | 1.5500 INCHES MINIMUM AND 1.5650 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| First End Distance From Hole Center to End | 0.8750 INCHES NOMINAL IN |
| Second End Angle Between Keyways | 180.0 DEGREES NOMINAL |
| 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 |
| Largest Step Diameter | 1.565 INCHES MAXIMUM IN |
| Second End Keyway Width | 0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN |
| Step Quantity | 2 |
| Second End Diameter | 0.9982 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN |
| Second End Keyway Depth | 0.1400 INCHES MAXIMUM IN |
| First End Hole Diameter | 0.5030 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Second End Style | TWO FLAT KEYWAYS |
| End Similarity | NOT IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 752-7068502 | Naval Sea Systems Command (USA) |
| 752-7068502-81 PRIMARY | Naval Sea Systems Command (USA) |
| H832-1684-81 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 3040-01-498-1436 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-498-1436 has 3 cross-referenced part numbers: 752-7068502 (Naval Sea Systems Command), 752-7068502-81 (Naval Sea Systems Command), H832-1684-81 (Electric Boat Corporation Div General Dynamics Electric Boat).
There are 5 known substitutes for 3040-01-498-1436: 3040-01-498-1260, 3040-01-498-1457, 3040-01-498-1539 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 752-7068502-81: First End Style: UNTHREADED CROSS DRILLED; First End Diameter: 1.5500 INCHES MINIMUM AND 1.5650 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING; First End Distance From Hole Center to End: 0.8750 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.