The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-063-0359, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
4820-01-063-0359
Item Name
Parts Kit,ball Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Component Quantity
3
Supply Items and Quantities
BALL 1;SEAT 2
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-063-4872POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)
4820-01-085-18772641-809-42 ITEM 68POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-093-73952641-809-42 ITEM 34POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-105-00022641-809-42 ITEM 82POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-115-09712641-809-42 ITEM 84POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-115-10132641-809-42 ITEM 78POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-115-30762640-801X02 PIECE 7POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
2641-809-42
D/9Drawing number reference only
U.S. Government activity
2641-809-42IT10X2640-801X02PC3
3/2Design control — primary reference
U.S. Government activity
2640-801X02
D/9Drawing number reference only
U.S. Government activity
Related Parts
4820-01-063-4872POSSIBLE MATCH
PARTS KIT,BALL VALVE
4820-01-085-1877POSSIBLE MATCH
STEM,FLUID VALVE
2641-809-42 ITEM 68
4820-01-093-7395POSSIBLE MATCH
STEM,FLUID VALVE
2641-809-42 ITEM 34
4820-01-105-0002POSSIBLE MATCH
DISK,VALVE
2641-809-42 ITEM 82
4820-01-115-0971POSSIBLE MATCH
DISK,VALVE
2641-809-42 ITEM 84
4820-01-115-1013POSSIBLE MATCH
STEM,FLUID VALVE
2641-809-42 ITEM 78
4820-01-115-3076POSSIBLE MATCH
SEAT,VALVE
2640-801X02 PIECE 7
Frequently Asked Questions
What is NSN 4820-01-063-0359?
NSN 4820-01-063-0359 is a Parts Kit,ball Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-063-0359?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-063-4872, 4820-01-085-1877, 4820-01-093-7395. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-063-0359?
Key specifications for 4820-01-063-0359: Component Quantity: 3; Supply Items and Quantities: BALL 1;SEAT 2. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-063-0359 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.