The Cap,filler Opening, cataloged under National Stock Number 2590-01-378-2303, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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 | 2590-01-378-2303 |
| Primary Part Number | 908249 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Accommodation Type | KNURLED END GRIPPING |
| Style Designator | NON-VENTED THREADED TYPE (INTERNAL) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 908249 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2590-01-378-2303 is a Cap,filler Opening, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-378-2303 has 1 manufacturer part number on file: 908249 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-630-0303. Verify interchangeability with system specifications before substitution.
Key specifications for 908249: Accommodation Type: KNURLED END GRIPPING; Style Designator: NON-VENTED THREADED TYPE (INTERNAL); Special Features: USED ON FUEL TANK ASSY,CATERPILLAR CORP,P/N 694065.. 2 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.