The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-418-3544, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-418-3544 |
| Primary Part Number | 218016301 AND 218006201 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Component Quantity | 3 |
| Document Type | MILITARY DRAWING |
| End Item Source | 53711 |
| Accessory Identifying Number | 218016301 AND 218006201 PART NO. |
| Component Document Page Number | 4AND40 |
| Document Identification | 6406598 |
| Supply Items and Quantities | BALL STRAIGHT 1; SEAT VALVE 2 |
| End Item Name | MANIFOLD, ACCUMULATOR, OIL CHARGE/DISCHARGE |
| Accessory Controlling Agency | NAVAL SEA SYSTEMS COMMAND |
| Document Source | 53711 |
| 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 |
|---|---|
| 218016301 AND 218006201 PRIMARY | Naval Sea Systems Command (USA) |
| 556-6406598 FN MACD-A10/A12 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| C7901-5901 FN MACD-A10/A12 | 5/2 Secondary reference U.S. Government activity |
| C7901-5901 | D/9 Drawing number reference only U.S. Government activity |
| DD2300-4359 FN MACD-A10/A12 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6406598 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-418-3544 is a Parts Kit,ball Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-418-3544 has 2 manufacturer part numbers on file: 218016301 AND 218006201 (Naval Sea Systems Command), 556-6406598 FN MACD-A10/A12 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-418-3546. Verify interchangeability with system specifications before substitution.
Key specifications for 218016301 AND 218006201: Component Quantity: 3; Document Type: MILITARY DRAWING; End Item Source: 53711; Accessory Identifying Number: 218016301 AND 218006201 PART NO.. 10 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.