The Valve,gate, cataloged under National Stock Number 4820-01-189-4598, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Calgon Carbon Uv Technologies Llc Dba Hyde Marine. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-189-4598 |
| Primary Part Number | 4-23125-7 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 1.500 INCHES IN |
| Stem Type | RISING |
| Connection Type | SOCKET, WELD, PIPE |
| Valve Size | 1.500 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY DISK |
| Material | COPPER ALLOY SEAT |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 23125-7 | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
| 4-23125-7 PRIMARY | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
| Reference | Meaning |
|---|---|
| 29WS | C/1 Advisory reference — outside the item-of-supply concept The Walworth Company |
NSN 4820-01-189-4598 is a Valve,gate, manufactured by Calgon Carbon Uv Technologies Llc Dba Hyde Marine, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-189-4598 has 2 manufacturer part numbers on file: 23125-7 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine), 4-23125-7 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-588-2633, 2540-01-598-1344. Verify interchangeability with system specifications before substitution.
Key specifications for 4-23125-7: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 1.500 INCHES IN; Stem Type: RISING; Connection Type: SOCKET, WELD, PIPE. 12 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.