The Cap,filler Opening, cataloged under National Stock Number 2590-01-154-6848, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Stant Mfg Co Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2590-01-154-6848 |
| Primary Part Number | G91 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Stant Mfg Co Inc |
| Status | ACTIVE |
| Style Designator | LOCKING TYPE VENTED ANTI-SURGE TYPE |
| Outside Diameter | 2.625 INCHES NOMINAL IN |
| System for Which Designed | PRESSURIZED |
| Pressure Relief Method | AUTOMATIC |
| Surface Treatment | CHROMIUM BODY |
| Material | ZINC ALLOY 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 |
|---|---|
| G91 PRIMARY | Stant Mfg Co Inc (USA) |
| Reference | Meaning |
|---|---|
| EG-91 | 5/9 Secondary reference Stant Corp Edelmann Div |
NSN 2590-01-154-6848 is a Cap,filler Opening, manufactured by Stant Mfg Co Inc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-154-6848 has 1 manufacturer part number on file: G91 (Stant Mfg Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-189-0219. Verify interchangeability with system specifications before substitution.
Key specifications for G91: Overall Height: 1.359 INCHES NOMINAL IN; Style Designator: LOCKING TYPE VENTED ANTI-SURGE TYPE; Outside Diameter: 2.625 INCHES NOMINAL IN; System for Which Designed: PRESSURIZED. 6 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.