The Seat,valve, cataloged under National Stock Number 4820-01-121-8447, 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. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (CAGE 15187) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-121-8447 |
| Primary Part Number | 0103030128 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| A-2449 1/4X3/4 PIECE 19 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A2448 PIECE 20 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A2446 PC 20 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NMP-1128 PIECE 23 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NMP-1173 PIECE 23 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 0103030128 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NMP-1176 PIECE 8 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A2446 20 3/8 X 1/2 IN | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| A2446 20 3/8 X 1/2 IN | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A2446 PC 20 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A2448 PIECE 20 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| 010.303.0128 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| A2446 PC 20 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| A2446 20 3/8 X 1/2 IN | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1176 PIECE 8 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1176 PIECE 8 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A-2449 1/4X3/4 PIECE 19 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-1173 PIECE 23 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| A-2449 1/4X3/4 PIECE 19 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1173 PIECE 23 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 010.303.0128 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-1128 PIECE 23 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A2448 PIECE 20 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-1128 PIECE 23 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
NSN 4820-01-121-8447 is a Seat,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-121-8447 has 8 manufacturer part numbers on file: A-2449 1/4X3/4 PIECE 19 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A2448 PIECE 20 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A2446 PC 20 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NMP-1128 PIECE 23 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NMP-1173 PIECE 23 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 3 more.
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.