The Seat,valve, cataloged under National Stock Number 4820-01-222-0794, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
Seat,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Technical Specifications
Parameter
Value
NSN
4820-01-222-0794
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-224-457021333POSSIBLE MATCH
GASKET
Possible match (shared part number)Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4730-01-417-2820JEDA1875800LPOSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Lee Co Dba the Lee Co
4820-01-419-057421333-850-1POSSIBLE MATCH
SLEEVE AND SLIDE,DIRECTIONAL CON
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-419-160421333-002POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-419-160821333-001POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-419-1669POSSIBLE MATCH
SLEEVE AND SLIDE,DIRECTIONAL CON
Possible match (shared part number)
4820-01-419-167121333-851-1POSSIBLE MATCH
SLEEVE AND SLIDE,DIRECTIONAL CON
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
21333
3/9Design control — primary reference
Giant Products Corp
Related Parts
5330-01-224-4570POSSIBLE MATCH
GASKET
21333
4730-01-417-2820POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
JEDA1875800L
4820-01-419-0574POSSIBLE MATCH
SLEEVE AND SLIDE,DIRECTIONAL CON
21333-850-1
4820-01-419-1604POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
21333-002
4820-01-419-1608POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
21333-001
4820-01-419-1669POSSIBLE MATCH
SLEEVE AND SLIDE,DIRECTIONAL CON
4820-01-419-1671POSSIBLE MATCH
SLEEVE AND SLIDE,DIRECTIONAL CON
21333-851-1
Frequently Asked Questions
What is NSN 4820-01-222-0794?
NSN 4820-01-222-0794 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-222-0794?
7 possible matches (shared part number, not a government interchangeability claim): 5330-01-224-4570, 4730-01-417-2820, 4820-01-419-0574. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-222-0794 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.