The Cap,filler Opening, cataloged under National Stock Number 2590-01-083-7318, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-083-7318 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Status | ACTIVE |
| Accommodation Type | LOBES END GRIPPING |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Retaining Device Type | CHAIN |
| Style Designator | VENTED THREADED TYPE (INTERNAL) |
| Thread Diameter | 2.000 INCHES NOMINAL IN |
| Outside Diameter | 2.725 INCHES NOMINAL IN |
| Features Provided | FUSIBLE SAFETY PLUG |
| System for Which Designed | NONPRESSURIZED |
| Material | COPPER ALLOY OVERALL |
| Retaining Device Length | 9.000 INCHES NOMINAL IN |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| 6100235 | 3/2 Design control — primary reference U.S. Government activity |
| MA063-21-109 | 5/9 Secondary reference U.S. Government activity |
NSN 2590-01-083-7318 is a Cap,filler Opening, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
Key specifications for 2590-01-083-7318: Overall Height: 1.250 INCHES NOMINAL IN; Accommodation Type: LOBES END GRIPPING; Thread Length: 0.375 INCHES NOMINAL IN; Retaining Device Type: CHAIN. 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.