The Disk Stack,assembly,valve, cataloged under National Stock Number 4820-01-722-8294, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
Disk Stack,assembly,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Technical Specifications
Parameter
Value
NSN
4820-01-722-8294
Item Name
Disk Stack,assembly,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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-722-8332V2D11525-7NAPOSSIBLE MATCH
RETAINER,SEAT,VALVE
Possible match (shared part number)Vacco Industries
4820-01-722-8337V2D11520-7NAPOSSIBLE MATCH
TAILPIECE,VALVE
Possible match (shared part number)Vacco Industries
4820-01-722-8343V2D11523-7NAPOSSIBLE MATCH
RETAINER,SEAT,VALVE
Possible match (shared part number)Vacco Industries
4820-01-722-8387V2C12991-3POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Vacco Industries
4330-01-722-8389V6D10000-15POSSIBLE MATCH
FILTERING DISK,FLUID
Possible match (shared part number)Vacco Industries
5340-01-722-8419V2D11521-2ADPOSSIBLE MATCH
HANDLE,MANUAL CONTROL
Possible match (shared part number)Vacco Industries
5305-01-723-0488V2B11678-7NAPOSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Vacco Industries
4820-01-723-2421V1E11084-01POSSIBLE MATCH
VALVE,GLOBE
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
V3C10344-01
3/2Design control — primary reference
U.S. Government activity
V1E11084
D/9Drawing number reference only
U.S. Government activity
Related Parts
4820-01-722-8332POSSIBLE MATCH
RETAINER,SEAT,VALVE
V2D11525-7NA
4820-01-722-8337POSSIBLE MATCH
TAILPIECE,VALVE
V2D11520-7NA
4820-01-722-8343POSSIBLE MATCH
RETAINER,SEAT,VALVE
V2D11523-7NA
4820-01-722-8387POSSIBLE MATCH
CAP,VALVE
V2C12991-3
4330-01-722-8389POSSIBLE MATCH
FILTERING DISK,FLUID
V6D10000-15
5340-01-722-8419POSSIBLE MATCH
HANDLE,MANUAL CONTROL
V2D11521-2AD
5305-01-723-0488POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
V2B11678-7NA
4820-01-723-2421POSSIBLE MATCH
VALVE,GLOBE
V1E11084-01
Frequently Asked Questions
What is NSN 4820-01-722-8294?
NSN 4820-01-722-8294 is a Disk Stack,assembly,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-722-8294?
8 possible matches (shared part number, not a government interchangeability claim): 4820-01-722-8332, 4820-01-722-8337, 4820-01-722-8343. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-722-8294 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.