The Cap,filler Opening, cataloged under National Stock Number 2590-01-289-1598, 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 11 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.
| Parameter | Value |
|---|---|
| NSN | 2590-01-289-1598 |
| Primary Part Number | 6CSCV2K1 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Wisco Products Inc |
| Status | ACTIVE |
| Accommodation Type | KNURLED END GRIPPING |
| Retaining Device Type | CHAIN |
| Style Designator | VENTED, ANTI-SURGE TYPE |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Locking Device Type | INTEGRAL SELF LOCK |
| Cam Quantity | 3 |
| Features Provided | BREATHER HOLE AND SEAL |
| System for Which Designed | NONPRESSURIZED |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Retaining Device Length | 7.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6CSCV2K1 PRIMARY | Wisco Products Inc (USA) |
NSN 2590-01-289-1598 is a Cap,filler Opening, manufactured by Wisco Products Inc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-289-1598 has 1 manufacturer part number on file: 6CSCV2K1 (Wisco Products Inc).
Key specifications for 6CSCV2K1: Accommodation Type: KNURLED END GRIPPING; Retaining Device Type: CHAIN; Style Designator: VENTED, ANTI-SURGE TYPE; Outside Diameter: 4.500 INCHES NOMINAL IN. 11 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.