PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-3-219Disk,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-198-3145 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-198-3145 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-198-3145. Primary manufacturer part number: 18-3-219.
Features
  • Disk,valve — FSC 4820
  • Nominal Thread Size: 0.500 INCHES IN
  • Flange Diameter: 2.175 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • Thread Series Designator: UNF
  • Shank Diameter: 1.125 INCHES NOMINAL IN
  • Thread Class: 2B
  • 11 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-198-3145, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-198-3145
Primary Part Number18-3-219
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Nominal Thread Size0.500 INCHES IN
Flange Diameter2.175 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Thread Series DesignatorUNF
Shank Diameter1.125 INCHES NOMINAL IN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-136-9840A1610 INTERCHANGEABLE
Gasket
Parker Hannifin Corporation Div Cylinder Division
3120-00-287-68583304052 INTERCHANGEABLE
Bearing,sleeve
Rolls-Royce Solutions America Inc
6250-00-452-5238A1610 INTERCHANGEABLE
Lampholder
Page Aerospace Limited
4820-01-198-28380103010010CE 33 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
8455-01-528-9468 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-660-5793 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-713-5904 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-713-5908 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A-1610 PIECE 27 Kunkle Industries Inc Lonergan Valve Div (USA)
A-1610 PIECE 27 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
18-3-219 Kunkle Industries Inc Lonergan Valve Div (USA)
0053000217 Kunkle Industries Inc Lonergan Valve Div (USA)
18-3-219 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A-1610 Kunkle Industries Inc Lonergan Valve Div (USA)
18-3-219 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A-1610 PIECE 27 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A-1610 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
0053000217 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
0053000217 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5330-00-136-9840INTERCHANGEABLE
GASKET
A1610
3120-00-287-6858INTERCHANGEABLE
BEARING,SLEEVE
3304052
6250-00-452-5238INTERCHANGEABLE
LAMPHOLDER
A1610
4820-01-198-2838INTERCHANGEABLE
SEAT,VALVE
0103010010CE 33
8455-01-528-9468INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-660-5793INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-713-5904INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-713-5908INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 4820-01-198-3145?

NSN 4820-01-198-3145 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-198-3145?

NSN 4820-01-198-3145 has 11 cross-referenced part numbers: A-1610 PIECE 27 (Kunkle Industries Inc Lonergan Valve Div), A-1610 PIECE 27 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 18-3-219 (Kunkle Industries Inc Lonergan Valve Div), 0053000217 (Kunkle Industries Inc Lonergan Valve Div), 18-3-219 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 6 more.

What NSN replaces 4820-01-198-3145?

There are 8 known substitutes for 4820-01-198-3145: 5330-00-136-9840, 3120-00-287-6858, 6250-00-452-5238 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-3-219?

Key specifications for 18-3-219: End Item Identification: VALVE,SAFETY RELIEF;MODEL 41-H-204 SIZE 2.000 IN. J BY 2.500 IN. IN; Nominal Thread Size: 0.500 INCHES IN; Flange Diameter: 2.175 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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