The Seat,valve, cataloged under National Stock Number 4820-00-336-6352, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-336-6352 |
| Primary Part Number | 41-3-19 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.524 INCHES NOMINAL IN |
| Flange Diameter | 1.496 INCHES NOMINAL IN |
| Thread Length | 0.312 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Seal Accommodation Type | GROOVED |
| Style Designator | THREADED FLANGED |
| Body Inside Diameter | 0.750 INCHES NOMINAL IN |
| Nominal Thread Size | 1.188 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 0.538 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 16 SINGLE THREADED PORTION |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 41-3-19 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 010-303-0052 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| 010-303-0052 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| 41-3-19 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| 010-303-0052 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 41-3-19 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-00-336-6352 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 4820-00-336-6352 has 2 manufacturer part numbers on file: 41-3-19 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 010-303-0052 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
3 possible matches (shared part number, not a government interchangeability claim): 2530-00-493-1986, 5950-01-168-6719, 5975-01-430-7136. Verify interchangeability with system specifications before substitution.
Key specifications for 41-3-19: Flange Seat to Disk End Height: 0.524 INCHES NOMINAL IN; Flange Diameter: 1.496 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL SINGLE THREADED PORTION IN; Seal Accommodation Type: GROOVED. 13 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.