Nominal Outside Diameter Tube Accommodated: 3.000 INCHES ALL ENDS IN
Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which Designed: WATER, SALT SINGLE RESPONSE
Identification
NSN: 4820-01-111-4603
NIIN: 011114603
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve,ball, cataloged under National Stock Number 4820-01-111-4603, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-111-4603
Item Name
Valve,ball
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Furnished Items and Quantity
1 ADAPTER
Connection Style
BEVELED (TUBE) ALL ENDS
Connection Type
BUTT WELD TUBE ALL ENDS
Style Designator
STRAIGHT THRU
Nominal Outside Diameter Tube Accommodated
3.000 INCHES ALL ENDS IN
Maximum Operating Temp
160.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which Designed
WATER, SALT SINGLE RESPONSE
Material
NICKEL ALLOY BODY
Material
TITANIUM FLOW CONTROL DEVICE
Valve Operation Method
MANUAL
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5342-01-114-20232640-930-04 ITEM 11POSSIBLE MATCH
BRACKET,SWITCH MOUNTING,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-124-02122640-930-04 ITEM 9POSSIBLE MATCH
CAM,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-132-12154687586-0007POSSIBLE MATCH
PLATE,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-181-37342640-930-04 ITEM 32POSSIBLE MATCH
PLUNGER,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-407-7539803-2178493 PIECE 1,2POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Naval Ship Systems Command
5340-01-714-3281845-4687586-PN-55POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
845-4687586
D/9Drawing number reference only
U.S. Government activity
810-2178493
D/9Drawing number reference only
U.S. Government activity
810-2178493W/2640-930-04 ASSYDS
D/9Drawing number reference only
U.S. Government activity
810-2178493 ASSYA/DS SWCH IND
3/2Design control — primary reference
U.S. Government activity
Related Parts
5342-01-114-2023POSSIBLE MATCH
BRACKET,SWITCH MOUNTING,VALVE
2640-930-04 ITEM 11
4820-01-124-0212POSSIBLE MATCH
CAM,VALVE
2640-930-04 ITEM 9
4820-01-132-1215POSSIBLE MATCH
PLATE,VALVE
4687586-0007
4820-01-181-3734POSSIBLE MATCH
PLUNGER,VALVE
2640-930-04 ITEM 32
4820-01-407-7539POSSIBLE MATCH
PARTS KIT,BALL VALVE
803-2178493 PIECE 1,2
5340-01-714-3281POSSIBLE MATCH
BRACKET,MOUNTING
845-4687586-PN-55
Frequently Asked Questions
What is NSN 4820-01-111-4603?
NSN 4820-01-111-4603 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-111-4603?
6 possible matches (shared part number, not a government interchangeability claim): 5342-01-114-2023, 4820-01-124-0212, 4820-01-132-1215. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-111-4603?
Key specifications for 4820-01-111-4603: Furnished Items and Quantity: 1 ADAPTER; Connection Style: BEVELED (TUBE) ALL ENDS; Connection Type: BUTT WELD TUBE ALL ENDS; Style Designator: STRAIGHT THRU. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-111-4603 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.