The Filter Element,fluid, cataloged under National Stock Number 2940-01-535-1561, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-535-1561 |
| Primary Part Number | 706-550-531 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
| 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 |
|---|---|
| 706-550-531 PRIMARY | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| Reference | Meaning |
|---|---|
| MHC658 | 5/9 Secondary reference Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
NSN 2940-01-535-1561 is a Filter Element,fluid, manufactured by Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-535-1561 has 1 manufacturer part number on file: 706-550-531 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am).
Key specifications for 706-550-531: Special Features: LO FILTER DIFFERENTIAL PRESSURE SLUDGE: 1.45 - 11.45 PSI; FLUID: LUBE OIL; OPERATION: MANUAL AND HYDRAULIC GEAR MOTOR; Part Name Assigned by Controlling Agency: SLUDGE RECOVERY CARTRIDGE; End Item Identification: NHA: OIL FILTER. 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.