PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

07420002127Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-145-9447 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-145-9447 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-145-9447. Primary manufacturer part number: 07420002127.
Features
  • Seat,valve — FSC 4820
  • Style Designator: PLAIN THREADED
  • Thread Series Designator: UNEF SINGLE THREADED PORTION
  • Material: STEEL CORROSION RESISTING OVERALL
  • Body Stepped Inside Diameter: 1.000 INCHES NOMINAL FIRST STEP IN
  • Seating Surface Shape: ANGULAR
  • Nominal Thread Size: 1.500 INCHES SINGLE THREADED PORTION IN
  • Thread Length: 1.438 INCHES NOMINAL 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 4820-01-145-9447, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-145-9447
Primary Part Number07420002127
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
Style DesignatorPLAIN THREADED
Thread Series DesignatorUNEF SINGLE THREADED PORTION
MaterialSTEEL CORROSION RESISTING OVERALL
Body Stepped Inside Diameter1.000 INCHES NOMINAL FIRST STEP IN
Seating Surface ShapeANGULAR
Nominal Thread Size1.500 INCHES SINGLE THREADED PORTION IN
Thread Length1.438 INCHES NOMINAL SINGLE THREADED PORTION IN
Body Stepped Inside Diameter0.816 INCHES NOMINAL SECOND STEP IN
Seat Angle in Deg45.000 NOMINAL
Thread Class2A SINGLE THREADED PORTION A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4820-00-008-5087 INTERCHANGEABLE
Seat,valve
4820-00-491-9908 INTERCHANGEABLE
Seat,valve
4820-00-570-0032 INTERCHANGEABLE
Seat,valve
4820-01-435-3196 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
07420.002.127 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
07420002127 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A7420.002.127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
B7420.002.127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4820-00-008-5087INTERCHANGEABLE
SEAT,VALVE
4820-00-491-9908INTERCHANGEABLE
SEAT,VALVE
4820-00-570-0032INTERCHANGEABLE
SEAT,VALVE
4820-01-435-3196INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 4820-01-145-9447?

NSN 4820-01-145-9447 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 4820-01-145-9447?

NSN 4820-01-145-9447 has 4 cross-referenced part numbers: 07420.002.127 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 07420002127 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A7420.002.127 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), B7420.002.127 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-145-9447?

There are 4 known substitutes for 4820-01-145-9447: 4820-00-008-5087, 4820-00-491-9908, 4820-00-570-0032 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 07420002127?

Key specifications for 07420002127: Style Designator: PLAIN THREADED; Thread Series Designator: UNEF SINGLE THREADED PORTION; Material: STEEL CORROSION RESISTING OVERALL; Body Stepped Inside Diameter: 1.000 INCHES NOMINAL FIRST STEP IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-145-9447 still in active supply?

NSN 4820-01-145-9447 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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