The Segment 6 Stern, cataloged under National Stock Number 2040-01-478-8438, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Segment 6 Stern |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Aef-Performance Llc (CAGE 66618); Smr Acquisition Llc (CAGE 0ACH0) |
| Parameter | Value |
|---|---|
| NSN | 2040-01-478-8438 |
| Primary Part Number | 7401528-001 |
| Item Name | Segment 6 Stern |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7401528-001 PRIMARY | Naval Sea Systems Command (USA) |
| 7401528-001 | Aef-Performance Llc (USA) |
| 7401528-001 | Smr Acquisition Llc (USA) |
| Reference | Meaning |
|---|---|
| 7401528 | D/9 Drawing number reference only Naval Sea Systems Command |
| 9705280010 | 5/9 Secondary reference Aef-Performance Llc |
NSN 2040-01-478-8438 is a Segment 6 Stern, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-478-8438 has 3 manufacturer part numbers on file: 7401528-001 (Naval Sea Systems Command), 7401528-001 (Aef-Performance Llc), 7401528-001 (Smr Acquisition Llc).
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 2040-01-478-8438 has DEMIL Code Q. 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.