The Cap,filler Opening, cataloged under National Stock Number 5342-01-284-6305, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5342-01-284-6305 |
| Primary Part Number | 68B580123-105 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Accommodation Type | NOTCHED END GRIPPING |
| Style Designator | LOCKING TYPE NON-VENTED |
| Outside Diameter | 5.875 INCHES NOMINAL IN |
| System for Which Designed | PRESSURIZED |
| Maximum Working Pressure | 90.000 POUNDS PER SQUARE INCH (PSI) LBS |
| Special Markings | CAP-DEFUEL ONLY; PUSH DOWN AND TURN TO LOCK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 68B580123-105 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 61383 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5342-01-284-6305 is a Cap,filler Opening, manufactured by The Boeing Company Div Defense, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-284-6305 has 1 manufacturer part number on file: 68B580123-105 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-729-7057. Verify interchangeability with system specifications before substitution.
Key specifications for 68B580123-105: Accommodation Type: NOTCHED END GRIPPING; Style Designator: LOCKING TYPE NON-VENTED; Outside Diameter: 5.875 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.
NSN 5342-01-284-6305 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.