The Deflector,spray, cataloged under National Stock Number 2040-01-459-1691, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Aef-Performance Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-459-1691 |
| Primary Part Number | 5750598-004 |
| Item Name | Deflector,spray |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Aef-Performance Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF ANTI-PEEL DOUBLER, BONDING STRIP, STAPLE, SPRAY SUPPRESSOR APRONS AND END PLUGS |
| 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 |
|---|---|
| 5750598-004 | Smr Acquisition Llc (USA) |
| 5750598-004 PRIMARY | Aef-Performance Llc (USA) |
| Reference | Meaning |
|---|---|
| 119-5750598B FIND NO. 4 | 5/1 Secondary reference Naval Sea Systems Command |
| 5750598-004 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 119-5750598 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2040-01-459-1691 is a Deflector,spray, manufactured by Aef-Performance Llc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-459-1691 has 2 manufacturer part numbers on file: 5750598-004 (Smr Acquisition Llc), 5750598-004 (Aef-Performance Llc).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-473-1232. Verify interchangeability with system specifications before substitution.
Key specifications for 5750598-004: General Characteristics Item Description: CONSISTS OF ANTI-PEEL DOUBLER, BONDING STRIP, STAPLE, SPRAY SUPPRESSOR APRONS AND END PLUGS; End Item Identification: USED ON LCAC. 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.
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.