The Seat,valve, cataloged under National Stock Number 4820-01-483-6063, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-483-6063
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)
Criticality Code
X
⇄Related Items12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-483-6068V1E10502 ITEM 4POSSIBLE MATCH
RETAINER,SEAT,VALVE
Possible match (shared part number)Vacco Industries
4820-01-483-6069V1E10502 ITEM 16POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Vacco Industries
4820-01-483-6071V1E10502 ITEM 13POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Vacco Industries
4820-01-483-6310V1E10502 ITEM 3POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Vacco Industries
4820-01-483-6369V1E10502-01POSSIBLE MATCH
VALVE,VENT
Possible match (shared part number)Vacco Industries
5365-01-483-8653V2D12098-1POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Vacco Industries
4330-01-483-9579V1E10502 ITEM 10POSSIBLE MATCH
FILTERING DISK,FLUID
Possible match (shared part number)Vacco Industries
4730-01-483-9719V2C13028-1POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Vacco Industries
4820-01-483-9961V1E10502 ITEM 43POSSIBLE MATCH
RIDER
Possible match (shared part number)Vacco Industries
4820-01-483-9962V1E10502 ITEM 38POSSIBLE MATCH
RIDER,PISTON
Possible match (shared part number)Vacco Industries
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
V1E10502
D/9Drawing number reference only
U.S. Government activity
V1E10502 ITEM 21
3/2Design control — primary reference
U.S. Government activity
V2D12091-1
5/2Secondary reference
U.S. Government activity
Related Parts
4820-01-483-6068POSSIBLE MATCH
RETAINER,SEAT,VALVE
V1E10502 ITEM 4
4820-01-483-6069POSSIBLE MATCH
STEM,FLUID VALVE
V1E10502 ITEM 16
4820-01-483-6071POSSIBLE MATCH
PISTON,VALVE
V1E10502 ITEM 13
4820-01-483-6310POSSIBLE MATCH
DISK,VALVE
V1E10502 ITEM 3
4820-01-483-6369POSSIBLE MATCH
VALVE,VENT
V1E10502-01
5365-01-483-8653POSSIBLE MATCH
SPACER,RING
V2D12098-1
4330-01-483-9579POSSIBLE MATCH
FILTERING DISK,FLUID
V1E10502 ITEM 10
4730-01-483-9719POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
V2C13028-1
4820-01-483-9961POSSIBLE MATCH
RIDER
V1E10502 ITEM 43
4820-01-483-9962POSSIBLE MATCH
RIDER,PISTON
V1E10502 ITEM 38
4820-01-483-9963POSSIBLE MATCH
PLATE,SEAT
V1E10502 ITEM 5
4820-01-484-0100POSSIBLE MATCH
SCREEN ASSY,POPPET
V1E10502 ITEM 14
Frequently Asked Questions
What is NSN 4820-01-483-6063?
NSN 4820-01-483-6063 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-483-6063?
12 possible matches (shared part number, not a government interchangeability claim): 4820-01-483-6068, 4820-01-483-6069, 4820-01-483-6071. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-483-6063 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.