The Stem,fluid Valve, cataloged under National Stock Number 4820-01-398-5723, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-398-5723 |
| Primary Part Number | M3289-DB |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc |
| Status | ACTIVE |
| Largest Outside Diameter | 1.312 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED INTERNALLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-398-5723 is a Stem,fluid Valve, manufactured by Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-398-5723 has 2 manufacturer part numbers on file: M3289-DB (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), M3289 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc).
Key specifications for M3289-DB: Largest Outside Diameter: 1.312 INCHES NOMINAL IN; Stem Actuating End Type: THREADED INTERNALLY; Overall Length: 11.500 INCHES NOMINAL IN. 2 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.