NSN 4820-01-414-4403 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-414-4403. Manufacturer of record part number: 211080541.
Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN
Connection Style: SOCKET ALL ENDS
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Material Document and Classification: AMIL-S-867 MIL SPEC SINGLE MATERIAL RESPONSE BODY
Material: ALUMINUM ALLOY STEM
Material: PLASTIC SEAT
Identification
NSN: 4820-01-414-4403
NIIN: 014144403
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 211080541
Manufacturer: Naval Sea Systems Command
General Description
The Valve,ball, cataloged under National Stock Number 4820-01-414-4403, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-414-4403
Primary Part Number
211080541
Item Name
Valve,ball
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Nominal Pipe Size Accommodated
1.500 INCHES ALL ENDS IN
Connection Style
SOCKET ALL ENDS
Connection Type
UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator
STRAIGHT THRU
Material Document and Classification
AMIL-S-867 MIL SPEC SINGLE MATERIAL RESPONSE BODY
Material
ALUMINUM ALLOY STEM
Material
PLASTIC SEAT
Material
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
Material
STEEL CORROSION RESISTING BODY
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-415-3164211055373POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-3165556-6405334-AY70POSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-3166211055410POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-3167211055386/211055410POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-3170556-6405334-123POSSIBLE MATCH
RETAINER,SEAT,VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-429-9922211045560,211036226POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-499-1303556-6405334 ASSY.67POSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Naval Sea Systems Command
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
DF330687
D/9Drawing number reference only
Huntington Ingalls Inc Div Newport News Shipbuilding
6405334
D/9Drawing number reference only
Naval Sea Systems Command
Related Parts
4820-01-415-3164POSSIBLE MATCH
STEM,FLUID VALVE
211055373
4820-01-415-3165POSSIBLE MATCH
VALVE,BALL
556-6405334-AY70
4820-01-415-3166POSSIBLE MATCH
SEAT,VALVE
211055410
4820-01-415-3167POSSIBLE MATCH
PARTS KIT,BALL VALVE
211055386/211055410
4820-01-415-3170POSSIBLE MATCH
RETAINER,SEAT,VALVE
556-6405334-123
4820-01-429-9922POSSIBLE MATCH
PARTS KIT,BALL VALVE
211045560,211036226
4820-01-499-1303POSSIBLE MATCH
VALVE,BALL
556-6405334 ASSY.67
Frequently Asked Questions
What is NSN 4820-01-414-4403?
NSN 4820-01-414-4403 is a Valve,ball, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-414-4403?
NSN 4820-01-414-4403 has 3 manufacturer part numbers on file: 556-6405334-AY71 (Naval Sea Systems Command), 211080541 (Naval Sea Systems Command), DF330687-AY71 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What NSN replaces 4820-01-414-4403?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-415-3164, 4820-01-415-3165, 4820-01-415-3166. Verify interchangeability with system specifications before substitution.
What are the specifications of 211080541?
Key specifications for 211080541: Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-414-4403 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.