The Disk,valve, cataloged under National Stock Number 4820-01-229-4259, 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 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-229-4259 |
| Primary Part Number | NMP-1179 PIECE 26 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Pressure Rating | 13.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Shoulder Width | 0.360 INCHES NOMINAL IN |
| Shoulder Height | 0.322 INCHES NOMINAL IN |
| Outside Diameter | 0.781 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN |
| Style Designator | PLUG |
| Nominal Thread Size | 0.500 INCHES IN |
| Media for Which Designed | LIQUID |
| Thread Class | 2B |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| NMP-1179 PIECE 26 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| NMP-1179 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1179 PIECE 26 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 005.304.0214 | C/1 Advisory reference — outside the item-of-supply concept Kunkle Industries Inc Lonergan Valve Div |
| NMP-1179 PIECE 26 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1179 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-229-4259 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 4820-01-229-4259 has 1 manufacturer part number on file: NMP-1179 PIECE 26 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for NMP-1179 PIECE 26: Overall Height: 1.375 INCHES NOMINAL IN; Pressure Rating: 13.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Shoulder Width: 0.360 INCHES NOMINAL IN; Shoulder Height: 0.322 INCHES NOMINAL IN. 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.