The Linkage Assy,lower, cataloged under National Stock Number 2040-01-485-6790, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Linkage Assy,lower |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 2040-01-485-6790 |
| Primary Part Number | 721-7286700-A10 |
| Item Name | Linkage Assy,lower |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 721-7286700-A10 | Naval Sea Systems Command (USA) |
| 721-7068581-10 | Naval Sea Systems Command (USA) |
| H861-1501-10 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 721-7286700 REV A | D/9 Drawing number reference only Naval Sea Systems Command |
| 721-7068581 REV A | D/9 Drawing number reference only Naval Sea Systems Command |
| H861-1503-A10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2040-01-485-6790 is a Linkage Assy,lower, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-485-6790 has 3 manufacturer part numbers on file: 721-7286700-A10 (Naval Sea Systems Command), 721-7068581-10 (Naval Sea Systems Command), H861-1501-10 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 2040-01-485-6819, 2040-01-485-6832. Verify interchangeability with system specifications before substitution.
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 2040-01-485-6790 has DEMIL Code D. 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.