The Disk,valve, cataloged under National Stock Number 4820-00-301-9816, 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Supply Class 4820 (Valves, Nonpowered) of the Valves group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
Disk,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Technical Specifications
Parameter
Value
NSN
4820-00-301-9816
Item Name
Disk,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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5955-00-802-2350POSSIBLE MATCH
CRYSTAL UNIT,QUARTZ
Possible match (shared part number)
2540-00-858-4369POSSIBLE MATCH
MIRROR ASSEMBLY,REARVIEW
Possible match (shared part number)
5310-00-946-47048WPOSSIBLE MATCH
WASHER,ROLLED
Possible match (shared part number)Nyltite Corp of America
3433-01-508-40118WPOSSIBLE MATCH
TIP,WELDING TORCH
Possible match (shared part number)Victor Equipment Co
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
8W
3/9Design control — primary reference
Everlasting Valve Company Inc.
Related Parts
5955-00-802-2350POSSIBLE MATCH
CRYSTAL UNIT,QUARTZ
2540-00-858-4369POSSIBLE MATCH
MIRROR ASSEMBLY,REARVIEW
5310-00-946-4704POSSIBLE MATCH
WASHER,ROLLED
8W
3433-01-508-4011POSSIBLE MATCH
TIP,WELDING TORCH
8W
Frequently Asked Questions
What is NSN 4820-00-301-9816?
NSN 4820-00-301-9816 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-00-301-9816?
4 possible matches (shared part number, not a government interchangeability claim): 5955-00-802-2350, 2540-00-858-4369, 5310-00-946-4704. Verify interchangeability with system specifications before substitution.
Is NSN 4820-00-301-9816 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.