The Disk,valve, cataloged under National Stock Number 4820-01-152-0431, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 7 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-152-0431 |
| Primary Part Number | 041-500-0018 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Outside Diameter | 3.188 INCHES NOMINAL IN |
| Nominal Thread Size | 0.625 INCHES IN |
| Media for Which Designed | WATER, SALT |
| Thread Class | 2B |
| Thread Quantity Per Inch | 14 |
| Material | NICKEL ALLOY |
| Thread Series Designator | UNS |
| 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 |
|---|---|
| 041-500-0018 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NMP-114 PIECE 18M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| 041-500-0018 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-114 PIECE 18M | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| S4824-H-3129334 | D/9 Drawing number reference only U.S. Government activity |
| NMP-114 PIECE 18M | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| 041-500-0018 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-114 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-114 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| S4824-H-3129334 PC18M | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-152-0431 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-152-0431 has 2 manufacturer part numbers on file: 041-500-0018 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NMP-114 PIECE 18M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-251-7771. Verify interchangeability with system specifications before substitution.
Key specifications for 041-500-0018: Overall Height: 0.600 INCHES NOMINAL IN; Outside Diameter: 3.188 INCHES NOMINAL IN; Nominal Thread Size: 0.625 INCHES IN; Media for Which Designed: WATER, SALT. 7 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.