The Cap,filler Opening, cataloged under National Stock Number 2590-00-198-7393, 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 7 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-00-198-7393 |
| Primary Part Number | 9L8439 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Accommodation Type | HANDLE END GRIPPING |
| Style Designator | ADJUSTABLE TYPE-INTERNAL |
| Filler Neck Diameter for Which Designed | 1.250 INCHES NOMINAL IN |
| Outside Diameter | 2.120 INCHES NOMINAL IN |
| System for Which Designed | NONPRESSURIZED |
| Material | RUBBER SYNTHETIC BODY |
| Material | STEEL HANDLE |
| 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 |
|---|---|
| 9L8439 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 4050-1-1-4 | 5/9 Secondary reference Moeller Mfg Co Inc |
| 44050-4 | 5/9 Secondary reference Moeller Mfg Co Inc |
| V-240 | 5/9 Secondary reference U.S. Government activity |
| 44050-4 | 5/9 Secondary reference Center - Moeller Products Llc |
| 4050-1-1-4 | 5/9 Secondary reference Center - Moeller Products Llc |
| 2590001987393 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2590-00-198-7393 is a Cap,filler Opening, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-00-198-7393 has 1 manufacturer part number on file: 9L8439 (Caterpillar Inc Div Caterpillar Defense).
2 possible matches (shared part number, not a government interchangeability claim): 6530-01-339-9492, 6130-01-390-4914. Verify interchangeability with system specifications before substitution.
Key specifications for 9L8439: Accommodation Type: HANDLE END GRIPPING; Style Designator: ADJUSTABLE TYPE-INTERNAL; Filler Neck Diameter for Which Designed: 1.250 INCHES NOMINAL IN; Outside Diameter: 2.120 INCHES NOMINAL IN. 7 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.