The Cap,filler Opening, cataloged under National Stock Number 2590-01-105-5685, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-105-5685 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Status | ACTIVE |
| Accommodation Type | LUGS END GRIPPING |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Retaining Device Type | CHAIN |
| Style Designator | CIRCULAR TYPE THREADED INTERNAL |
| Thread Diameter | 2.0000 INCHES NOMINAL IN |
| Outside Diameter | 2.640 INCHES NOMINAL IN |
| Features Provided | FUSIBLE SAFETY PLUG |
| System for Which Designed | PRESSURIZED |
| Pressure Relief Method | MANUAL |
| Material | COPPER ALLOY OVERALL |
| Retaining Device Length | 1.000 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 |
|---|---|
| 2378762 | 3/9 Design control — primary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 2378762 | C/1 Advisory reference — outside the item-of-supply concept Rolls-Royce Solutions America Inc |
| 2378762 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 2590-01-105-5685 is a Cap,filler Opening, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
Key specifications for 2590-01-105-5685: Overall Height: 0.965 INCHES NOMINAL IN; Accommodation Type: LUGS END GRIPPING; Thread Length: 0.500 INCHES NOMINAL IN; Retaining Device Type: CHAIN. 12 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.