The Cap,filler Opening, cataloged under National Stock Number 2590-01-442-1395, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Wisco Products Inc. Government technical data includes 8 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. Current acquisition status: Active.
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 — Miscellaneous Vehicular Components (FSG 25) |
| Manufacturers | Wisco Products Inc (CAGE 10203) |
| Parameter | Value |
|---|---|
| NSN | 2590-01-442-1395 |
| Primary Part Number | 4752-2 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Wisco Products Inc |
| Status | ACTIVE |
| Style Designator | OUTSIDE CAM TYPE |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Cam Quantity | 3 |
| System for Which Designed | PRESSURIZED |
| Pressure Relief Method | MANUAL |
| Surface Treatment | CADMIUM OVERALL |
| Maximum Working Pressure | 12.000 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 4752-2 PRIMARY | Wisco Products Inc (USA) |
NSN 2590-01-442-1395 is a Cap,filler Opening, manufactured by Wisco Products Inc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-442-1395 has 1 manufacturer part number on file: 4752-2 (Wisco Products Inc).
Key specifications for 4752-2: Overall Height: 1.560 INCHES NOMINAL IN; Style Designator: OUTSIDE CAM TYPE; Outside Diameter: 4.500 INCHES NOMINAL IN; Cam Quantity: 3. 8 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.