The Suppressor,spray, cataloged under National Stock Number 2040-01-458-5998, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-458-5998 |
| Primary Part Number | 5749435-004 |
| Item Name | Suppressor,spray |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Aef-Performance Llc |
| Status | ACTIVE |
| General Characteristics Item Description | COMPONENTS, INNER APRON, OUTER PANEL, END PLUG, WASHERS 3/16 DIA RIVET, OFF-045, PAINT COLOR GOLDEN YELLOW GLOSS, SEALING MATERIAL BONDING |
| 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 |
|---|---|
| 5749435-004 PRIMARY | Aef-Performance Llc (USA) |
| 5749435-004 | Smr Acquisition Llc (USA) |
| Reference | Meaning |
|---|---|
| 119-5749435 FIND NO. 4 | 5/1 Secondary reference Naval Sea Systems Command |
| 5749435-004 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 119-5749435 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2040-01-458-5998 is a Suppressor,spray, manufactured by Aef-Performance Llc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-458-5998 has 2 manufacturer part numbers on file: 5749435-004 (Aef-Performance Llc), 5749435-004 (Smr Acquisition Llc).
Key specifications for 5749435-004: General Characteristics Item Description: COMPONENTS, INNER APRON, OUTER PANEL, END PLUG, WASHERS 3/16 DIA RIVET, OFF-045, PAINT COLOR GOLDEN YELLOW GLOSS, SEALING MATERIAL BONDING; End Item Identification: USED ON STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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.