The Seat,valve, cataloged under National Stock Number 4820-01-440-1502, 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 15 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-440-1502 |
| Primary Part Number | 10532002128 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Thread Length | 1.750 INCHES NOMINAL FIRST THREADED PORTION IN |
| Thread Length | 1.750 INCHES NOMINAL SECOND THREADED PORTION IN |
| Style Designator | PLAIN THREADED |
| Material Document and Classification | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Body Inside Diameter | 4.000 INCHES NOMINAL IN |
| Nominal Thread Size | 4.812 INCHES FIRST THREADED PORTION IN |
| Nominal Thread Size | 4.812 INCHES SECOND THREADED PORTION IN |
| Thread Class | 2A SECOND THREADED PORTION A |
| Thread Class | 2A FIRST THREADED PORTION A |
| Thread Quantity Per Inch | 14 FIRST THREADED PORTION |
| Thread Quantity Per Inch | 14 SECOND THREADED PORTION |
| Material | NICKEL ALLOY SEAT |
| Seat Angle in Deg | 45.000 NOMINAL |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| 10532002128 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20214 FIND NO 5 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| A10532.002.128 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 20214 FIND NO 5 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 10532.002.128 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| A10532.002.128 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 20214 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-440-1502 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 4820-01-440-1502 has 2 manufacturer part numbers on file: 10532002128 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20214 FIND NO 5 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 10532002128: Overall Height: 3.120 INCHES NOMINAL IN; Thread Length: 1.750 INCHES NOMINAL FIRST THREADED PORTION IN; Thread Length: 1.750 INCHES NOMINAL SECOND THREADED PORTION IN; Style Designator: PLAIN THREADED. 15 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.