The Cap,filler Opening, cataloged under National Stock Number 2590-00-941-1573, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2590-00-941-1573 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Status | ACTIVE |
| FSC Application Data | FUEL TANK |
| Accommodation Type | LUGS END GRIPPING |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Retaining Device Type | CHAIN AND WIRE HOOK |
| Style Designator | THREADED TYPE-INTERNAL |
| Filler Neck Diameter for Which Designed | 4.375 INCHES NOMINAL IN |
| Thread Diameter | 4.375 INCHES NOMINAL IN |
| Outside Diameter | 4.688 INCHES NOMINAL IN |
| System for Which Designed | NONPRESSURIZED |
| Surface Treatment | PAINT OVERALL |
| Thread Class | 2B |
| Special Markings | FUEL OIL |
| Material | ALUMINUM ALLOY OVERALL |
| Retaining Device Length | 9.000 INCHES NOMINAL IN |
| Thread Series Designator | UN |
| Thread Quantity | 12.000 PER INCH |
| 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 |
|---|---|
| B8043 | C/1 Advisory reference — outside the item-of-supply concept Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. |
| B8043 | 5/9 Secondary reference Pettibone Llc |
| 13212E4040 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2590-00-941-1573 is a Cap,filler Opening, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
Key specifications for 2590-00-941-1573: Overall Height: 2.063 INCHES NOMINAL IN; FSC Application Data: FUEL TANK; Accommodation Type: LUGS END GRIPPING; Thread Length: 0.438 INCHES NOMINAL IN. 16 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.