NSN 4820-01-461-3107 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-461-3107. Manufacturer of record part number: 3553-003-419.
The Retainer,disk,valve, cataloged under National Stock Number 4820-01-461-3107, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Retainer,disk,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Velan Valve Corp. (CAGE 57574)
Technical Specifications
Parameter
Value
NSN
4820-01-461-3107
Primary Part Number
3553-003-419
Item Name
Retainer,disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Velan Valve Corp.
Status
ACTIVE
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-461-59952498-00-300 STYLE A TY LLLM 12INPOSSIBLE MATCH
VALVE,BUTTERFLY
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-461-5999YCS75505POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
5310-01-470-4717NC396218POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-495-5191N73861POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
C/1Advisory reference — outside the item-of-supply concept
Velan Valve Corp.
Related Parts
4820-01-461-5995POSSIBLE MATCH
VALVE,BUTTERFLY
2498-00-300 STYLE A TY LLLM 12IN
4820-01-461-5999POSSIBLE MATCH
STEM,FLUID VALVE
YCS75505
5310-01-470-4717POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
NC396218
4820-01-495-5191POSSIBLE MATCH
DISK,VALVE
N73861
Frequently Asked Questions
What is NSN 4820-01-461-3107?
NSN 4820-01-461-3107 is a Retainer,disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-461-3107?
NSN 4820-01-461-3107 has 1 manufacturer part number on file: 3553-003-419 (Velan Valve Corp.).
What NSN replaces 4820-01-461-3107?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-461-5995, 4820-01-461-5999, 5310-01-470-4717. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-461-3107 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.