The Disk,valve, cataloged under National Stock Number 4820-01-025-4045, 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 4 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-025-4045 |
| Primary Part Number | 005-309-0381 |
| 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 | 4.376 INCHES MINIMUM AND 4.380 INCHES MAXIMUM IN |
| Style Designator | SOLID |
| Material Document and Classification | ASTM A564, COMP 630, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 630 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NMP-1125 PC 24 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 005-309-0381 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| NMP-1125 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| 005-309-0381 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 005-309-0381 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1125 PC 24 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1125 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-1125 PC 24 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-025-4045 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 4820-01-025-4045 has 2 manufacturer part numbers on file: NMP-1125 PC 24 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 005-309-0381 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 005-309-0381: Overall Height: 0.841 INCHES MINIMUM AND 0.847 INCHES MAXIMUM IN; Outside Diameter: 4.376 INCHES MINIMUM AND 4.380 INCHES MAXIMUM IN; Style Designator: SOLID; Material Document and Classification: ASTM A564, COMP 630, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE. 4 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.
NSN 4820-01-025-4045 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.