The Cover,access, cataloged under National Stock Number 2590-01-657-6388, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Cummins Filtration Inc Dba Fleetguard Div Cummins Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-657-6388 |
| Primary Part Number | 3946459 S |
| Item Name | Cover,access |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Cummins Filtration Inc Dba Fleetguard Div Cummins Inc |
| Status | ACTIVE |
| Outside Diameter | 141.60 MILLIMETERS NOMINAL MM |
| Material | PLASTIC |
| 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 |
|---|---|
| 3946459 S PRIMARY | Cummins Filtration Inc Dba Fleetguard Div Cummins Inc (USA) |
| Reference | Meaning |
|---|---|
| 3946459 S | 5/9 Secondary reference Cummins Power Systems, Llc Dba Cummins Div Cummins Power Systems |
| 04-21007 | D/9 Drawing number reference only Department of Defense Project Manager-Mobile Electric Power |
NSN 2590-01-657-6388 is a Cover,access, manufactured by Cummins Filtration Inc Dba Fleetguard Div Cummins Inc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-657-6388 has 1 manufacturer part number on file: 3946459 S (Cummins Filtration Inc Dba Fleetguard Div Cummins Inc).
Key specifications for 3946459 S: Outside Diameter: 141.60 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: COVER,ACCESS; End Item Identification: 6115-01-561-7329,GENERATOR SET,DIESEL ENGINE; Material: PLASTIC. 2 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.