The Semi Nozzle,valve, cataloged under National Stock Number 4820-01-085-5904, 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 1 specification, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-085-5904 |
| Primary Part Number | NMP-1111 PC 23 |
| Item Name | Semi Nozzle,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| General Characteristics Item Description | MATL STEEL CORROSION RESISTING PER ASTM A582 TYP 303; 1.250 IN. ID ONE END; 0.843 IN. AND 0.906 IN. STEPPED ID OTHER END; 1.625 IN.-16 UN RH EXT THD MAJOR OD; 1.250 IN.-24 UNS RH EXT THD MINOR OD; 2.031 IN. O/A LG; W/HEX LUG WRENCHING FEATURE IN |
| 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-1111 PC 23 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 010.303.0133 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| NMP-1111 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1111 PC 23 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-1111 PC 23 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| 010.303.0133 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 010.303.0133 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1111 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-085-5904 is a Semi Nozzle,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-085-5904 has 2 manufacturer part numbers on file: NMP-1111 PC 23 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 010.303.0133 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-205-2190. Verify interchangeability with system specifications before substitution.
Key specifications for NMP-1111 PC 23: General Characteristics Item Description: MATL STEEL CORROSION RESISTING PER ASTM A582 TYP 303; 1.250 IN. ID ONE END; 0.843 IN. AND 0.906 IN. STEPPED ID OTHER END; 1.625 IN.-16 UN RH EXT THD MAJOR OD; 1.250 IN.-24 UNS RH EXT THD MINOR OD; 2.031 IN. O/A LG; W/HEX LUG WRENCHING FEATURE IN. 1 specification is 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.