The Shaft,straight, cataloged under National Stock Number 3040-01-498-1539, 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 | 3040-01-498-1539 |
| Primary Part Number | 752-7068502-80 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| External Keyway Length | 1.1000 INCHES MINIMUM AND 1.1600 INCHES MAXIMUM FIRST END IN |
| Second End Diameter | 0.7484 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| First End Diameter | 0.7484 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| First End Keyway Width | 0.1880 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Second End Keyway Width | 0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN |
| External Keyway Length | 1.0300 INCHES MINIMUM AND 1.0900 INCHES MAXIMUM SECOND END IN |
| Second End Keyway Depth | 0.1790 INCHES MINIMUM AND 0.1930 INCHES MAXIMUM IN |
| First End Keyway Depth | 0.0610 INCHES MINIMUM AND 0.1194 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM-A564, TY-630 NATIONAL SPEC ALL MATERIAL RESPONSES |
| First End Style | FLAT KEYWAY |
| Second End Style | FLAT KEYWAY |
| End Similarity | NOT IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 752-7068502-80 PRIMARY | Naval Sea Systems Command (USA) |
| H832-1684-80 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 752-7068502 | Naval Sea Systems Command (USA) |
NSN 3040-01-498-1539 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-498-1539 has 3 cross-referenced part numbers: 752-7068502-80 (Naval Sea Systems Command), H832-1684-80 (Electric Boat Corporation Div General Dynamics Electric Boat), 752-7068502 (Naval Sea Systems Command).
There are 5 known substitutes for 3040-01-498-1539: 3040-01-498-1260, 3040-01-498-1436, 3040-01-498-1457 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 752-7068502-80: External Keyway Length: 1.1000 INCHES MINIMUM AND 1.1600 INCHES MAXIMUM FIRST END IN; Second End Diameter: 0.7484 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN; First End Diameter: 0.7484 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN; First End Keyway Width: 0.1880 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.