The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-338-5179, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-338-5179 |
| Primary Part Number | 845-4558729 ITEM 19,20 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| End Item Source | 53711 |
| End Item Name | BALL VALVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 845-4558729 ITEM 19,20 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2642-740-01 ITEM 19, ITEM 21 | 5/2 Secondary reference U.S. Government activity |
| 264274001-19-20 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-338-5179 is a Parts Kit,ball Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-338-5179 has 1 manufacturer part number on file: 845-4558729 ITEM 19,20 (Naval Sea Systems Command).
Key specifications for 845-4558729 ITEM 19,20: End Item Source: 53711; End Item Name: BALL VALVE; End Item Identification: 4558729. 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.