The Stem,fluid Valve, cataloged under National Stock Number 4820-01-325-1463, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-325-1463 |
| Primary Part Number | 529-5904795 ITEM 33 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE |
| Material | NICKEL ALLOY 400 |
| 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 |
|---|---|
| 529-5904795 ITEM 33 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 480045 ITEM 33 | C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
| 480045-33 | 3/9 Design control — primary reference Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
NSN 4820-01-325-1463 is a Stem,fluid Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-325-1463 has 1 manufacturer part number on file: 529-5904795 ITEM 33 (Naval Sea Systems Command).
Key specifications for 529-5904795 ITEM 33: Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE; End Item Identification: MANIFOLD 4VL 190PSI FLG MNT; Material: NICKEL ALLOY 400. 2 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.