PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0415000046Disk,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-146-0409 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-146-0409 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-146-0409. Primary manufacturer part number: 0415000046.
Features
  • Disk,valve — FSC 4820
  • Shoulder Height: 1.021 INCHES NOMINAL IN
  • Thread Series Designator: UNEF
  • Nominal Thread Size: 1.375 INCHES IN
  • Style Designator: PLUG
  • Outside Diameter: 2.750 INCHES NOMINAL IN
  • Shoulder Width: 1.575 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
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 4820-00-146-0409, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-146-0409
Primary Part Number0415000046
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Shoulder Height1.021 INCHES NOMINAL IN
Thread Series DesignatorUNEF
Nominal Thread Size1.375 INCHES IN
Style DesignatorPLUG
Outside Diameter2.750 INCHES NOMINAL IN
Shoulder Width1.575 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Seat Angle45.0 DEGREES NOMINAL
Thread Class3B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-260-0516 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5985-00-333-5948145266 INTERCHANGEABLE
Attenuator,variable
Northrop Grumman Systems Corporation
4320-01-198-1127 INTERCHANGEABLE
Pump,centrifugal
5325-01-286-7252A2136 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
Cross-Reference Index
Part NumberManufacturer
0415000046 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A2136 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
041-500-0046 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A2136 Kunkle Industries Inc Lonergan Valve Div (USA)
A2136 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
041-500-0046 Kunkle Industries Inc Lonergan Valve Div (USA)
Related Parts
5935-00-260-0516INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5985-00-333-5948INTERCHANGEABLE
ATTENUATOR,VARIABLE
145266
4320-01-198-1127INTERCHANGEABLE
PUMP,CENTRIFUGAL
5325-01-286-7252INTERCHANGEABLE
EYELET,METALLIC
A2136

Frequently Asked Questions

What is NSN 4820-00-146-0409?

NSN 4820-00-146-0409 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 4820-00-146-0409?

NSN 4820-00-146-0409 has 6 cross-referenced part numbers: 0415000046 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A2136 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 041-500-0046 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A2136 (Kunkle Industries Inc Lonergan Valve Div), A2136 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 1 more.

What NSN replaces 4820-00-146-0409?

There are 4 known substitutes for 4820-00-146-0409: 5935-00-260-0516, 5985-00-333-5948, 4320-01-198-1127 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0415000046?

Key specifications for 0415000046: Shoulder Height: 1.021 INCHES NOMINAL IN; Thread Series Designator: UNEF; Special Features: WITH VITON INSERT; Nominal Thread Size: 1.375 INCHES IN. 11 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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