NSN 4820-01-415-6622 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-415-6622. Manufacturer of record part number: 211081781.
The Valve,ball, cataloged under National Stock Number 4820-01-415-6622, 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 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-415-6622
Primary Part Number
211081781
Item Name
Valve,ball
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Nominal Length
13.000 INCHES ALL ENDS IN
Style Designator
STRAIGHT THRU
Nominal Width
10.000 INCHES ALL ENDS IN
Material
NICKEL ALLOY 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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-415-6628211055808POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-8288801-6408784-AY81POSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-8290801-6408784-AY78POSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-8291801-6408784 FIND 219POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-8292801-6408784 FIND 68POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-8295801-6408784 FIND 190POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Naval Sea Systems Command
NSN 4820-01-415-6622 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 4820-01-415-6622?
NSN 4820-01-415-6622 has 2 manufacturer part numbers on file: 801-6408784-AY79 (Naval Sea Systems Command), 211081781 (Naval Sea Systems Command).
What NSN replaces 4820-01-415-6622?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-415-6628, 4820-01-415-8288, 4820-01-415-8290. Verify interchangeability with system specifications before substitution.
What are the specifications of 211081781?
Key specifications for 211081781: Nominal Length: 13.000 INCHES ALL ENDS IN; Style Designator: STRAIGHT THRU; Nominal Width: 10.000 INCHES ALL ENDS IN; End Item Identification: SEAWOLF CLASS SSN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-415-6622 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.