The Cap,filler Opening, cataloged under National Stock Number 2590-00-360-8525, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-00-360-8525 |
| Primary Part Number | 58999AS |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Style Designator | TUBE TYPE |
| Filler Neck Diameter for Which Designed | 1.500 INCHES NOMINAL IN |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| System for Which Designed | NONPRESSURIZED |
| Color | BLACK |
| Surface Treatment | ENAMEL OVERALL |
| Special Markings | OIL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 58999AS PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 38939-BS PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 560D1-0659 | Kurz & Root Generator Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 38939-BS | 5/9 Secondary reference Hercules Engine Co Inc |
| 58999AS | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2590-00-360-8525 is a Cap,filler Opening, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-00-360-8525 has 3 manufacturer part numbers on file: 58999AS (Brinkley Technology Group Llc Dba Hercules Manufacturing), 38939-BS (Brinkley Technology Group Llc Dba Hercules Manufacturing), 560D1-0659 (Kurz & Root Generator Company, Llc).
Key specifications for 58999AS: Overall Height: 3.156 INCHES NOMINAL IN; Style Designator: TUBE TYPE; Filler Neck Diameter for Which Designed: 1.500 INCHES NOMINAL IN; Outside Diameter: 2.750 INCHES NOMINAL IN. 8 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.