The Cap,filler Opening, cataloged under National Stock Number 2590-01-505-3113, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Sterling Mfg Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-505-3113 |
| Primary Part Number | BWC AAA-01326S |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Sterling Mfg Co |
| Status | ACTIVE |
| Accommodation Type | KNURLED END GRIPPING |
| Retaining Device Type | CHAIN |
| Style Designator | VENTED THREADED TYPE (INTERNAL) |
| Features Provided | BAR AND INTEGRAL VACUUM RELIEF VALVE |
| Special Markings | "DIESEL FUEL ONLY" TEXT RADIALLY PLACED ON CAP EXTERIOR |
| Material | ALUMINUM OVERALL |
| Retaining Device Length | 9.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| BWC AAA-01326S PRIMARY | Sterling Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| BWC AAA-01326S | 5/9 Secondary reference Burge John R Jr |
NSN 2590-01-505-3113 is a Cap,filler Opening, manufactured by Sterling Mfg Co, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-505-3113 has 1 manufacturer part number on file: BWC AAA-01326S (Sterling Mfg Co).
Key specifications for BWC AAA-01326S: Accommodation Type: KNURLED END GRIPPING; Retaining Device Type: CHAIN; Style Designator: VENTED THREADED TYPE (INTERNAL); Features Provided: BAR AND INTEGRAL VACUUM RELIEF VALVE. 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.