NSN 4820-00-226-0331 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-226-0331. Manufacturer of record part number: 7161-6.
Also searched as4820-00-226-0331 ·
4820002260331 ·
NIIN 002260331 ·
00-226-0331 ·
FSC 4820 Valves, Nonpowered · CAGE 60029 · 7161-6
Manufacturer of record: Woodward Hrt, Inc. Dba Woodward Hrt Inc
Identification
NSN: 4820-00-226-0331
NIIN: 002260331
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7161-6
Manufacturer: Woodward Hrt, Inc. Dba Woodward Hrt Inc
General Description
The Stem,fluid Valve, cataloged under National Stock Number 4820-00-226-0331, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Woodward Hrt, Inc. Dba Woodward Hrt Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Stem,fluid Valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Woodward Hrt, Inc. Dba Woodward Hrt Inc (CAGE 60029)
Technical Specifications
Parameter
Value
NSN
4820-00-226-0331
Primary Part Number
7161-6
Item Name
Stem,fluid Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Woodward Hrt, Inc. Dba Woodward Hrt Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-00-555-674971616POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Textron Lycoming Inc Williamsport Plant
3120-00-772-676571616POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Triumph Engine Control Systems Llc
4810-00-906-133271616POSSIBLE MATCH
PARTS KIT,SERVOVALV
Possible match (shared part number)Parker-Hannifin Corporation
2040-01-227-241471616POSSIBLE MATCH
SEAL ASSEMBLY,STERN
Possible match (shared part number)Eaton Corporation Dba Eaton Inoac Div Eaton
NSN 4820-00-226-0331 is a Stem,fluid Valve, manufactured by Woodward Hrt, Inc. Dba Woodward Hrt Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-226-0331?
NSN 4820-00-226-0331 has 1 manufacturer part number on file: 7161-6 (Woodward Hrt, Inc. Dba Woodward Hrt Inc).
What NSN replaces 4820-00-226-0331?
4 possible matches (shared part number, not a government interchangeability claim): 3120-00-555-6749, 3120-00-772-6765, 4810-00-906-1332. Verify interchangeability with system specifications before substitution.
Is NSN 4820-00-226-0331 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.