The Cap,filler Opening, cataloged under National Stock Number 2590-01-564-5595, 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11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-564-5595 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Accommodation Type | NOTCHED END GRIPPING |
| Thread Length | 1.312 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| System for Which Designed | PRESSURIZED |
| Pressure Relief Method | MANUAL |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A A |
| Maximum Working Pressure | 150.000 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| 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 |
|---|---|
| F402 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2590-01-564-5595 is a Cap,filler Opening, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
Key specifications for 2590-01-564-5595: Surface Treatment Document and Classification: MIL-C-5541 CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Accommodation Type: NOTCHED END GRIPPING; Thread Length: 1.312 INCHES NOMINAL IN; Unable to Decode: UNABLE TO DECODE. 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.