The Actuator,mechanical,nonaircraft, cataloged under National Stock Number 3040-01-493-3399, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3040-01-493-3399 |
| Primary Part Number | 596-7409312-A2 |
| Item Name | Actuator,mechanical,nonaircraft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Drive Type | DIRECT |
| 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 |
|---|---|
| 596-7409312-A2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7409312 | D/9 Drawing number reference only Naval Sea Systems Command |
| B541-1013-A2 | 5/2 Secondary reference U.S. Government activity |
| B541-1013 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-493-3399 is a Actuator,mechanical,nonaircraft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-493-3399 has 1 manufacturer part number on file: 596-7409312-A2 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-494-2422, 5340-01-494-2845. Verify interchangeability with system specifications before substitution.
Key specifications for 596-7409312-A2: Drive Type: DIRECT; Special Features: LDT BREECH HATCH OPERATOR GEAR ASSEMBLY; Part Name Assigned by Controlling Agency: PORT LDT BREECH DRIVE ASSEMBLY; End Item Identification: SEAWOLF CLASS SSN. 1 specification is 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 3040-01-493-3399 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.