PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

009-304-0021Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-115-3791 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-115-3791 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-115-3791. Primary manufacturer part number: 009-304-0021.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Flange Diameter: 5.000 INCHES NOMINAL IN
  • Material: NICKEL ALLOY OVERALL
  • Body Outside Diameter: 3.625 INCHES NOMINAL IN
  • Under Flange Height: 4.750 INCHES NOMINAL IN
  • Flange Seat to Disk End Height: 0.437 INCHES NOMINAL IN
  • 5 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-115-3791, 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 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-115-3791
Primary Part Number009-304-0021
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Seating Surface ShapeFLAT
Flange Diameter5.000 INCHES NOMINAL IN
MaterialNICKEL ALLOY OVERALL
Body Outside Diameter3.625 INCHES NOMINAL IN
Under Flange Height4.750 INCHES NOMINAL IN
Flange Seat to Disk End Height0.437 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-010-0660100660 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5940-00-269-79881133D INTERCHANGEABLE
Terminal,stud
Goe Engineering Co Inc
5360-00-619-077352385 INTERCHANGEABLE
Spring,helical,extension
Fmc Technologies Inc Div Material Handling Solutions
Cross-Reference Index
Part NumberManufacturer
009-304-0021 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
009-304-0021 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
52-3-85 Kunkle Industries Inc Lonergan Valve Div (USA)
009-304-0021 Kunkle Industries Inc Lonergan Valve Div (USA)
L7-12581 REV2 PRIMARY L6 Inc. (USA)
Related Parts
5305-00-010-0660INTERCHANGEABLE
SCREW,MACHINE
100660
5940-00-269-7988INTERCHANGEABLE
TERMINAL,STUD
1133D
5360-00-619-0773INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
52385

Frequently Asked Questions

What is NSN 4820-00-115-3791?

NSN 4820-00-115-3791 is a Seat,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 4820-00-115-3791?

NSN 4820-00-115-3791 has 5 cross-referenced part numbers: 009-304-0021 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 009-304-0021 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 52-3-85 (Kunkle Industries Inc Lonergan Valve Div), 009-304-0021 (Kunkle Industries Inc Lonergan Valve Div), L7-12581 REV2 (L6 Inc.).

What NSN replaces 4820-00-115-3791?

There are 3 known substitutes for 4820-00-115-3791: 5305-00-010-0660, 5940-00-269-7988, 5360-00-619-0773. Verify interchangeability with system specifications before substitution.

What are the specifications of 009-304-0021?

Key specifications for 009-304-0021: Seating Surface Shape: FLAT; Flange Diameter: 5.000 INCHES NOMINAL IN; Material: NICKEL ALLOY OVERALL; Body Outside Diameter: 3.625 INCHES NOMINAL IN. 6 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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