The Cap,filler Opening, cataloged under National Stock Number 2590-01-168-1934, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 2590-01-168-1934 |
| Primary Part Number | C066 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Stant Mfg Co Inc |
| Status | ACTIVE |
| Accommodation Type | LUGS END GRIPPING |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Style Designator | INSIDE CAM TYPE W/ LUGS |
| System for Which Designed | NONPRESSURIZED |
| Surface Treatment | DICHROMATE AND ZINC BODY |
| 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 |
|---|---|
| C066 PRIMARY | Stant Mfg Co Inc (USA) |
| 620152 PRIMARY | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| S0-66 PRIMARY | Stant Mfg Co Inc (USA) |
| 4-3893 PRIMARY | Balkamp Inc (USA) |
| 31066 PRIMARY | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3851735 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| ES0-66 | 5/9 Secondary reference Stant Corp Edelmann Div |
| BO-66 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2590-01-168-1934 is a Cap,filler Opening, manufactured by Stant Mfg Co Inc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-168-1934 has 5 manufacturer part numbers on file: C066 (Stant Mfg Co Inc), 620152 (Trw Inc Trw Intl Trade Government Sales Dept), S0-66 (Stant Mfg Co Inc), 4-3893 (Balkamp Inc), 31066 (Gates Corporation).
7 possible matches (shared part number, not a government interchangeability claim): 6680-01-198-4450, 5365-01-219-2655, 5915-01-223-3639. Verify interchangeability with system specifications before substitution.
Key specifications for C066: Overall Height: 1.000 INCHES NOMINAL IN; Accommodation Type: LUGS END GRIPPING; Overall Diameter: 3.000 INCHES NOMINAL IN; Style Designator: INSIDE CAM TYPE W/ LUGS. 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.