The Valve,ball, cataloged under National Stock Number 4820-01-606-1787, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Maritime Applied Physics Corporation Dba Blacksea Technologies. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,ball |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Maritime Applied Physics Corporation Dba Blacksea Technologies (CAGE 0E3P8) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-606-1787 |
| Primary Part Number | 230-0-011 ITEM 6 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Maritime Applied Physics Corporation Dba Blacksea Technologies |
| Status | ACTIVE |
| 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 |
|---|---|
| 230-0-011 ITEM 6 PRIMARY | Maritime Applied Physics Corporation Dba Blacksea Technologies (USA) |
| Reference | Meaning |
|---|---|
| 230-0-001 | D/9 Drawing number reference only Maritime Applied Physics Corporation Dba Blacksea Technologies |
NSN 4820-01-606-1787 is a Valve,ball, manufactured by Maritime Applied Physics Corporation Dba Blacksea Technologies, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-606-1787 has 1 manufacturer part number on file: 230-0-011 ITEM 6 (Maritime Applied Physics Corporation Dba Blacksea Technologies).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-665-8448. Verify interchangeability with system specifications before substitution.
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.