The Seat,valve, cataloged under National Stock Number 4820-01-343-7313, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-343-7313 |
| Primary Part Number | 20051 FIND 15 |
| 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 | 1.440 INCHES NOMINAL IN |
| Flange Diameter | 1.410 INCHES NOMINAL IN |
| Thread Length | 1.380 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | FAUCET |
| Material Document and Classification | ASTM-A582-TY-303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.000 INCHES NOMINAL IN |
| Nominal Thread Size | 1.500 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 0.250 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNJEF 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 |
|---|---|
| A7424.002.156 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20051 FIND 15 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| A7424.002.156 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 20051 FIND 15 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-343-7313 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 4820-01-343-7313 has 2 manufacturer part numbers on file: A7424.002.156 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20051 FIND 15 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 20051 FIND 15: Flange Seat to Disk End Height: 1.440 INCHES NOMINAL IN; Flange Diameter: 1.410 INCHES NOMINAL IN; Thread Length: 1.380 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: FAUCET. 12 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.