The Cap,filler Opening, cataloged under National Stock Number 5342-01-419-9949, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Core Industries Inc. Dba Mueller Steam Specialty. Government technical data includes 1 specification, 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 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 | 5342-01-419-9949 |
| Primary Part Number | AN-2-5-35211/2-J ITEM 2 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Core Industries Inc. Dba Mueller Steam Specialty |
| Status | ACTIVE |
| Material | COPPER ALLOY 922 BODY |
| 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 |
|---|---|
| AN-2-5-35211/2-J ITEM 2 PRIMARY | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
NSN 5342-01-419-9949 is a Cap,filler Opening, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-419-9949 has 1 manufacturer part number on file: AN-2-5-35211/2-J ITEM 2 (Core Industries Inc. Dba Mueller Steam Specialty).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-420-0011. Verify interchangeability with system specifications before substitution.
Key specifications for AN-2-5-35211/2-J ITEM 2: Material: COPPER ALLOY 922 BODY. 1 specification is 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.