The Crankshaft,engine, cataloged under National Stock Number 2805-01-446-3676, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Naval Sea Systems Command. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2805-01-446-3676 |
| Primary Part Number | 512-6404653-77 |
| Item Name | Crankshaft,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 512-6404652-24 | Naval Sea Systems Command (USA) |
| 512-6404653-77 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| DF6503-175-77 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6404653 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2805-01-446-3676 is a Crankshaft,engine, manufactured by Naval Sea Systems Command, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-446-3676 has 2 manufacturer part numbers on file: 512-6404652-24 (Naval Sea Systems Command), 512-6404653-77 (Naval Sea Systems Command).
Key specifications for 512-6404653-77: Overall Length: 5.3000 INCHES NOMINAL IN; Special Features: MATL-NICKEL ALLOY;THD SIZE NC0.3125-18; End Item Identification: LOS ANGELES CLASS SSN(688). 0 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.
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.