The Cap,filler Opening, cataloged under National Stock Number 2590-00-308-7580, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Dresser, Llc. Government technical data includes 8 specifications, 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. 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 | 2590-00-308-7580 |
| Primary Part Number | B7018 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Accommodation Type | PLAIN END GRIPPING |
| Style Designator | TUBE TYPE |
| Filler Neck Diameter for Which Designed | 1.498 INCHES MINIMUM AND 1.501 INCHES MAXIMUM IN |
| Outside Diameter | 2.875 INCHES NOMINAL IN |
| Features Provided | BREATHER HOLE AND SCREEN |
| System for Which Designed | NONPRESSURIZED |
| Surface Treatment | OXIDE SCREEN |
| 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 |
NSN 2590-00-308-7580 is a Cap,filler Opening, manufactured by Dresser, Llc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-00-308-7580 has 2 manufacturer part numbers on file: B7018 (Dresser, Llc), 1AB7018 (Fwd Seagrave Holdings Lp).
1 possible match (shared part number, not a government interchangeability claim): 6145-00-631-2293. Verify interchangeability with system specifications before substitution.
Key specifications for B7018: Overall Height: 1.812 INCHES NOMINAL IN; Accommodation Type: PLAIN END GRIPPING; Style Designator: TUBE TYPE; Filler Neck Diameter for Which Designed: 1.498 INCHES MINIMUM AND 1.501 INCHES MAXIMUM IN. 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.