The Stem and Disc.assy., cataloged under National Stock Number 4810-01-493-2579, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-493-2579 |
| Primary Part Number | 109-734-040-370-000 |
| Item Name | Stem and Disc.assy. |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| General Characteristics Item Description | ASSY.MADE OF PARTS 2A,2B,2C,2D FROM DRAWING D370-4-105 CAGE 04613.AGAVGANSI CLASS 300,WAFER BUTTERFLY VALVE,4.00 INCH. A |
| Pressure Rating | ERR-060 |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 109-734-040-370-000 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| D370-4-105 ITEM 2A,2B,2C,2D | Emerson Automation Solutions Final Control Us Lp (USA) |
| Reference | Meaning |
|---|---|
| D370-4-105 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp |
| 109-204-040-370 | C/1 Advisory reference — outside the item-of-supply concept Emerson Automation Solutions Final Control Us Lp |
NSN 4810-01-493-2579 is a Stem and Disc.assy., manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-493-2579 has 2 manufacturer part numbers on file: 109-734-040-370-000 (Emerson Automation Solutions Final Control Us Lp), D370-4-105 ITEM 2A,2B,2C,2D (Emerson Automation Solutions Final Control Us Lp).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-493-2587. Verify interchangeability with system specifications before substitution.
Key specifications for 109-734-040-370-000: General Characteristics Item Description: ASSY.MADE OF PARTS 2A,2B,2C,2D FROM DRAWING D370-4-105 CAGE 04613.AGAVGANSI CLASS 300,WAFER BUTTERFLY VALVE,4.00 INCH. A; Pressure Rating: ERR-060; Material: STEEL CORROSION RESISTING. 3 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.