PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A7440-002-128Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-586-4213 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-586-4213 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-586-4213. Primary manufacturer part number: A7440-002-128.
Features
  • Seat,valve — FSC 4820
  • Material: NICKEL ALLOY OVERALL
  • Style Designator: PLAIN THREADED
  • Thread Quantity Per Inch: 14 SINGLE THREADED PORTION
  • Seat Angle in Deg: 45.000 NOMINAL
  • Seating Surface Shape: ANGULAR
  • Body Inside Diameter: 1.500 INCHES NOMINAL IN
  • Thread Class: 2A SINGLE THREADED PORTION A
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 4820-00-586-4213, 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 18 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-586-4213
Primary Part NumberA7440-002-128
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
MaterialNICKEL ALLOY OVERALL
Style DesignatorPLAIN THREADED
Thread Quantity Per Inch14 SINGLE THREADED PORTION
Seat Angle in Deg45.000 NOMINAL
Seating Surface ShapeANGULAR
Body Inside Diameter1.500 INCHES NOMINAL IN
Thread Class2A SINGLE THREADED PORTION A
Thread Length2.000 INCHES NOMINAL SINGLE THREADED PORTION IN
Nominal Thread Size2.125 INCHES SINGLE THREADED PORTION IN
Thread Series DesignatorUNS SINGLE THREADED PORTION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-038-701820318 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
3110-00-156-1909 INTERCHANGEABLE
Bearing,ball,thrust
3010-00-167-9319 INTERCHANGEABLE
Coupling Half,shaft
5320-00-515-8602 INTERCHANGEABLE
Rivet,split
6130-00-643-2151 INTERCHANGEABLE
Rectifier,metallic
1650-00-730-404519698 INTERCHANGEABLE
Parts Kit,valve
Moog Inc
4820-00-901-241807440001128 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
2915-00-908-608220318 INTERCHANGEABLE
Parts Kit,valve,ove
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5980-01-020-3954MV5491A INTERCHANGEABLE
Light Emitting Diode
Everlight Americas, Inc Div New Business Opportunity
4820-01-116-593007440002108 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
SW106 FIND 5 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20212PC5 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A7440-002-128 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
07440.002.128 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
07440005128 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A7440 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20212PC5 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
B7440.002.128 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A7440-002-128 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
07440.005.128 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A7440.002.128 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
KU1335 Zamon Co Inc the (USA)
SW125-5 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20318FIND2 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20318 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
SW125-5 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
07440002128 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
07440002128 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-00-038-7018INTERCHANGEABLE
VALVE,SAFETY RELIEF
20318
3110-00-156-1909INTERCHANGEABLE
BEARING,BALL,THRUST
3010-00-167-9319INTERCHANGEABLE
COUPLING HALF,SHAFT
5320-00-515-8602INTERCHANGEABLE
RIVET,SPLIT
6130-00-643-2151INTERCHANGEABLE
RECTIFIER,METALLIC
1650-00-730-4045INTERCHANGEABLE
PARTS KIT,VALVE
19698
4820-00-901-2418INTERCHANGEABLE
SEAT,VALVE
07440001128
2915-00-908-6082INTERCHANGEABLE
PARTS KIT,VALVE,OVE
20318
5980-01-020-3954INTERCHANGEABLE
LIGHT EMITTING DIODE
MV5491A
4820-01-116-5930INTERCHANGEABLE
SEAT,VALVE
07440002108
6625-01-135-5455INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
20-318
5306-01-270-8506INTERCHANGEABLE
BOLT,SQUARE NECK
0344814E03

Frequently Asked Questions

What is NSN 4820-00-586-4213?

NSN 4820-00-586-4213 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 4820-00-586-4213?

NSN 4820-00-586-4213 has 18 cross-referenced part numbers: SW106 FIND 5 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20212PC5 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A7440-002-128 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 07440.002.128 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 07440005128 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 13 more.

What NSN replaces 4820-00-586-4213?

There are 12 known substitutes for 4820-00-586-4213: 4820-00-038-7018, 3110-00-156-1909, 3010-00-167-9319 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A7440-002-128?

Key specifications for A7440-002-128: Material: NICKEL ALLOY OVERALL; Style Designator: PLAIN THREADED; Overall Height: 2.380 INCHES NOMINAL IN; Thread Quantity Per Inch: 14 SINGLE THREADED PORTION. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-586-4213 still in active supply?

NSN 4820-00-586-4213 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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