The Stem,fluid Valve, cataloged under National Stock Number 4820-01-398-5736, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 4 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. 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 | 4820-01-398-5736 |
| Primary Part Number | 78794 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| Valve Type for Which Designed | BUTTERFLY |
| Largest Outside Diameter | 0.685 INCHES NOMINAL IN |
| Valve Size for Which Designed | 6.000 INCHES IN |
| 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 |
|---|---|
| 78798 PIECE 10 | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
| 78794 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
NSN 4820-01-398-5736 is a Stem,fluid Valve, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-398-5736 has 2 manufacturer part numbers on file: 78798 PIECE 10 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 78794 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-407-9630. Verify interchangeability with system specifications before substitution.
Key specifications for 78794: Valve Type for Which Designed: BUTTERFLY; Largest Outside Diameter: 0.685 INCHES NOMINAL IN; Overall Length: 12.670 INCHES NOMINAL IN; Valve Size for Which Designed: 6.000 INCHES IN. 4 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.