PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

009-304-0028Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-956-8754 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-956-8754 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-956-8754. Primary manufacturer part number: 009-304-0028.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Length: 0.687 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Thread Series Designator: UNS SINGLE THREADED PORTION
  • Style Designator: THREADED FLANGED
  • Body Inside Diameter: 3.188 INCHES NOMINAL IN
  • Nominal Thread Size: 5.000 INCHES SINGLE THREADED PORTION IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-956-8754, 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 4 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
NSN4820-00-956-8754
Primary Part Number009-304-0028
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
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Length0.687 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread Series DesignatorUNS SINGLE THREADED PORTION
Style DesignatorTHREADED FLANGED
Body Inside Diameter3.188 INCHES NOMINAL IN
Nominal Thread Size5.000 INCHES SINGLE THREADED PORTION IN
Thread Quantity Per Inch16 SINGLE THREADED PORTION
Thread Class2A SINGLE THREADED PORTION A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5365-00-889-6995SM-B-157086 INTERCHANGEABLE
Spacer,sleeve
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-01-101-820552317 INTERCHANGEABLE
Transformer,pulse
Standex Electronics, Inc.
6520-01-283-107033701 INTERCHANGEABLE
Bur,dental,excavating
Moyco Industries Inc Union Broach Div
4520-01-351-399952317 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
Cross-Reference Index
Part NumberManufacturer
52-3-17 Kunkle Industries Inc Lonergan Valve Div (USA)
009-304-0028 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
009-304-0028 Kunkle Industries Inc Lonergan Valve Div (USA)
009-304-0028 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5365-00-889-6995INTERCHANGEABLE
SPACER,SLEEVE
SM-B-157086
5950-01-101-8205INTERCHANGEABLE
TRANSFORMER,PULSE
52317
6520-01-283-1070INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
33701
4520-01-351-3999INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
52317

Frequently Asked Questions

What is NSN 4820-00-956-8754?

NSN 4820-00-956-8754 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 4820-00-956-8754?

NSN 4820-00-956-8754 has 4 cross-referenced part numbers: 52-3-17 (Kunkle Industries Inc Lonergan Valve Div), 009-304-0028 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 009-304-0028 (Kunkle Industries Inc Lonergan Valve Div), 009-304-0028 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-00-956-8754?

There are 4 known substitutes for 4820-00-956-8754: 5365-00-889-6995, 5950-01-101-8205, 6520-01-283-1070 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 009-304-0028?

Key specifications for 009-304-0028: Seating Surface Shape: FLAT; Material: STEEL CORROSION RESISTING OVERALL; Thread Length: 0.687 INCHES NOMINAL SINGLE THREADED PORTION IN; Thread Series Designator: UNS SINGLE THREADED PORTION. 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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