NSN 4820-01-377-4606 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-377-4606. Manufacturer of record part number: 211055796.
General Characteristics Item Description: AL(QQ-A-200/9 ALY-6063);3.000 NOM VALVE
2 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4820-01-377-4606
NIIN: 013774606
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 211055796
Manufacturer: Naval Sea Systems Command
General Description
The Lug,valve Handle, cataloged under National Stock Number 4820-01-377-4606, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-377-4606
Primary Part Number
211055796
Item Name
Lug,valve Handle
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
General Characteristics Item Description
AL(QQ-A-200/9 ALY-6063);3.000 NOM VALVE
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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-415-6620211081797POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-415-6622211081781POSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Naval Sea Systems Command
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 4820-01-377-4606 is a Lug,valve Handle, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-377-4606?
NSN 4820-01-377-4606 has 2 manufacturer part numbers on file: 801-6408784-155 (Naval Sea Systems Command), 211055796 (Naval Sea Systems Command).
What NSN replaces 4820-01-377-4606?
8 possible matches (shared part number, not a government interchangeability claim): 4820-01-415-6620, 4820-01-415-6622, 4820-01-415-6628. Verify interchangeability with system specifications before substitution.
What are the specifications of 211055796?
Key specifications for 211055796: General Characteristics Item Description: AL(QQ-A-200/9 ALY-6063);3.000 NOM VALVE; Special Features: USED ON VALVE,BALL;TOP LOAD; SEAWATER SERVICE. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-377-4606 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.