The Cap,filler Opening, cataloged under National Stock Number 5342-00-921-5299, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Troy Inc. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-921-5299 |
| Primary Part Number | 3811022 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Meggitt Troy Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Accommodation Type | PLAIN END GRIPPING |
| Thread Length | 0.656 INCHES NOMINAL IN |
| Style Designator | THREADED TYPE (EXTERNAL) |
| Filler Neck Diameter for Which Designed | 2.495 INCHES NOMINAL IN |
| Thread Pitch Diameters | +2.5517 TO 2.5613 INCHES IN |
| Thread Diameter | 2.594 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/6A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| System for Which Designed | NONPRESSURIZED |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNS |
| Thread Quantity | 20.000 PER INCH |
| 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 |
|---|---|
| 3811022 PRIMARY | Meggitt Troy Inc (USA) |
NSN 5342-00-921-5299 is a Cap,filler Opening, manufactured by Meggitt Troy Inc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-921-5299 has 1 manufacturer part number on file: 3811022 (Meggitt Troy Inc).
Key specifications for 3811022: Overall Height: 2.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Accommodation Type: PLAIN END GRIPPING; Thread Length: 0.656 INCHES NOMINAL IN. 14 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.