NSN 4820-01-419-7106 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-419-7106. Manufacturer of record part number: 2553-069-302-2.
Flange Seat to Disk End Height: 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
Flange Diameter: 0.719 INCHES NOMINAL IN
Body Outside Diameter: 0.582 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN
Style Designator: PLAIN FLANGED
Body Inside Diameter: 0.495 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
Under Flange Height: 0.031 INCHES NOMINAL IN
Material: STEEL SEAT
Identification
NSN: 4820-01-419-7106
NIIN: 014197106
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2553-069-302-2
Manufacturer: Velan Valve Corp.
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-419-7106, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-419-7106
Primary Part Number
2553-069-302-2
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Velan Valve Corp.
Status
ACTIVE
Flange Seat to Disk End Height
0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
Flange Diameter
0.719 INCHES NOMINAL IN
Body Outside Diameter
0.582 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN
Style Designator
PLAIN FLANGED
Body Inside Diameter
0.495 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
Under Flange Height
0.031 INCHES NOMINAL IN
Material
STEEL SEAT
Seating Surface Shape
FLAT
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.
4820-01-420-213223256-10ITEM5 PN 2562-069-063POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-424-62142564-097-064POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-465-37902567-103-063POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-465-45782557-073-200-SPOSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-465-52952577-077-122POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-650-5648B08-3054B-02TSG SCH 80POSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Velan Valve Corp.
NSN 4820-01-419-7106 is a Seat,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-419-7106?
NSN 4820-01-419-7106 has 1 manufacturer part number on file: 2553-069-302-2 (Velan Valve Corp.).
What NSN replaces 4820-01-419-7106?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-420-2132, 4820-01-424-6214, 4820-01-465-3790. Verify interchangeability with system specifications before substitution.
What are the specifications of 2553-069-302-2?
Key specifications for 2553-069-302-2: Flange Seat to Disk End Height: 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN; Flange Diameter: 0.719 INCHES NOMINAL IN; Body Outside Diameter: 0.582 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-419-7106 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.