The Shaft,shouldered, cataloged under National Stock Number 3040-01-423-8883, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-423-8883 |
| Primary Part Number | 754-6405242 FIND 18SS |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| First End Diameter | 7.0010 INCHES MINIMUM IN |
| First End Spline Major Diameter | 7.9910 INCHES MINIMUM IN |
| Second End Diameter | 6.0010 INCHES MINIMUM IN |
| First End Style | SPLINED (STRAIGHT) |
| Criticality Code Justification | ZZZY |
| First End Spline Length | 8.0950 INCHES NOMINAL IN |
| First End Spline Quantity | 9 |
| End Similarity | NOT IDENTICAL |
| Second End Style | INTERNAL THREADED |
| Material | NICKEL ALLOY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 754-6405242 FIND 18SS | Naval Inventory Control Point Mechanicsburg (USA) |
| 211092249SS | Naval Inventory Control Point Mechanicsburg (USA) |
| 6405242 FN 18SS | Naval Inventory Control Point Mechanicsburg (USA) |
| DF2230-2210 FN 18SS | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 6405242 FN 18 | 5/1 Secondary reference Naval Sea Systems Command |
| 211092249 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 754-6405242 FIND 18 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 3040-01-423-8883 is a Shaft,shouldered, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-423-8883 has 4 manufacturer part numbers on file: 754-6405242 FIND 18SS (Naval Inventory Control Point Mechanicsburg), 211092249SS (Naval Inventory Control Point Mechanicsburg), 6405242 FN 18SS (Naval Inventory Control Point Mechanicsburg), DF2230-2210 FN 18SS (Naval Inventory Control Point Mechanicsburg).
Key specifications for 754-6405242 FIND 18SS: First End Diameter: 7.0010 INCHES MINIMUM IN; First End Spline Major Diameter: 7.9910 INCHES MINIMUM IN; Second End Diameter: 6.0010 INCHES MINIMUM IN; First End Style: SPLINED (STRAIGHT). 11 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.
NSN 3040-01-423-8883 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.