PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A7461-002-128Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-050-7202 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-050-7202 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-050-7202. Primary manufacturer part number: A7461-002-128.
Features
  • Seat,valve — FSC 4820
  • Thread Length: 2.250 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Material: NICKEL ALLOY OVERALL
  • Thread Series Designator: UNS SINGLE THREADED PORTION
  • Style Designator: PLAIN THREADED
  • Material Document and Classification: AMS-4674B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Seat Angle in Deg: 45.000 NOMINAL
  • Nominal Thread Size: 3.688 INCHES SINGLE THREADED PORTION IN
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 4820-01-050-7202, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-050-7202
Primary Part NumberA7461-002-128
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
Thread Length2.250 INCHES NOMINAL SINGLE THREADED PORTION IN
MaterialNICKEL ALLOY OVERALL
Thread Series DesignatorUNS SINGLE THREADED PORTION
Style DesignatorPLAIN THREADED
Material Document and ClassificationAMS-4674B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Seat Angle in Deg45.000 NOMINAL
Nominal Thread Size3.688 INCHES SINGLE THREADED PORTION IN
Seating Surface ShapeANGULAR
Body Inside Diameter2.999 INCHES NOMINAL IN
Thread Quantity Per Inch14 SINGLE THREADED PORTION
Thread Class2A SINGLE THREADED PORTION A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4820-01-378-6417A07461.002.128 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-505-0922A7461.002.128 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
20218PC5 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A7461-002-128 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A7461-002-128 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
07461002128 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20218PC5 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A07461.002.128 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4820-01-378-6417INTERCHANGEABLE
SEAT,VALVE
A07461.002.128
4820-01-505-0922INTERCHANGEABLE
SEAT,VALVE
A7461.002.128

Frequently Asked Questions

What is NSN 4820-01-050-7202?

NSN 4820-01-050-7202 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: cancelled.

What are the part numbers for NSN 4820-01-050-7202?

NSN 4820-01-050-7202 has 6 cross-referenced part numbers: 20218PC5 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A7461-002-128 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A7461-002-128 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 07461002128 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20218PC5 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 1 more.

What NSN replaces 4820-01-050-7202?

There are 2 known substitutes for 4820-01-050-7202: 4820-01-378-6417, 4820-01-505-0922. Verify interchangeability with system specifications before substitution.

What are the specifications of A7461-002-128?

Key specifications for A7461-002-128: Special Features: WITH O-RING; Thread Length: 2.250 INCHES NOMINAL SINGLE THREADED PORTION IN; Material: NICKEL ALLOY OVERALL; Thread Series Designator: UNS SINGLE THREADED PORTION. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-050-7202 still in active supply?

NSN 4820-01-050-7202 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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