The Disk,valve, cataloged under National Stock Number 4820-01-428-4335, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4820-01-428-4335 |
| Primary Part Number | 125289 |
| Item Name | Disk,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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DS-G-74893 SH1A IT3 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 82659000-DS-G-74893 SH1A IT3 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 125289 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-428-4335 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-428-4335 has 3 manufacturer part numbers on file: DS-G-74893 SH1A IT3 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 82659000-DS-G-74893 SH1A IT3 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 125289 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-548-9978. Verify interchangeability with system specifications before substitution.
Key specifications for 125289: End Item Identification: SERIES 900 RELIEF VALVE U/O THE STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 0 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.