The Cap,filler Opening, cataloged under National Stock Number 2590-01-066-2971, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2590-01-066-2971 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Status | ACTIVE |
| Accommodation Type | LIFT TAB END GRIPPING |
| Retaining Device Type | STRAP |
| Style Designator | NON-VENTED |
| Filler Neck Diameter for Which Designed | 1.500 INCHES NOMINAL IN |
| Outside Diameter | 2.115 INCHES NOMINAL IN |
| System for Which Designed | NONPRESSURIZED |
| Color | BLACK |
| Special Markings | WASHER FLUID ONLY |
| Material | PLASTIC OVERALL |
| Retaining Device Length | 1.220 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 |
| Reference | Meaning |
|---|---|
| 2497500 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2590-01-066-2971 is a Cap,filler Opening, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2995-01-409-0330. Verify interchangeability with system specifications before substitution.
Key specifications for 2590-01-066-2971: Overall Height: 0.515 INCHES NOMINAL IN; Accommodation Type: LIFT TAB END GRIPPING; Retaining Device Type: STRAP; Style Designator: NON-VENTED. 10 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.