PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

487-819-050-414-MKAGear Operator,valve

Emerson Automation Solutions Final Control Us Lp · NSN 4820-01-498-4043 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-498-4043 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-498-4043. Primary manufacturer part number: 487-819-050-414-MKA.
Features
  • Gear Operator,valve — FSC 4820
  • Features Provided: HANDWHEEL
  • Gear Ratio: 40 TO 1
  • Gear Type: WORM
  • Valve Size for Which Designed: 4.000 INCHES IN
  • Valve Type for Which Designed: BUTTERFLY
  • Material: STEEL AND COPPER
  • 4 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Power transmission and speed reduction
  • Rotary motion transfer
General Description

The Gear Operator,valve, cataloged under National Stock Number 4820-01-498-4043, 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. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, 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
NSN4820-01-498-4043
Primary Part Number487-819-050-414-MKA
Item NameGear Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp
StatusACTIVE
Features ProvidedHANDWHEEL
Gear Ratio40 TO 1
Gear TypeWORM
Valve Size for Which Designed4.000 INCHES IN
Valve Type for Which DesignedBUTTERFLY
MaterialSTEEL AND COPPER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-206-177641419 INTERCHANGEABLE
Thumbscrew
L3harris Technologies, Inc Div Space & Airborne Systems
2520-00-457-6660295035 INTERCHANGEABLE
Cap,dust,propeller Shaft
General Motors Corp
5950-00-487-515141419 INTERCHANGEABLE
Inductor,power
Freed Transformer Co
Cross-Reference Index
Part NumberManufacturer
414-19 Emerson Automation Solutions Final Control Us Lp (USA)
D414-19-4-487 Emerson Automation Solutions Final Control Us Lp (USA)
487-819-050-414-006 Emerson Automation Solutions Final Control Us Lp (USA)
487-819-050-414-MKA PRIMARY Emerson Automation Solutions Final Control Us Lp (USA)
Related Parts
5305-00-206-1776INTERCHANGEABLE
THUMBSCREW
41419
2520-00-457-6660INTERCHANGEABLE
CAP,DUST,PROPELLER SHAFT
295035
5950-00-487-5151INTERCHANGEABLE
INDUCTOR,POWER
41419

Frequently Asked Questions

What is NSN 4820-01-498-4043?

NSN 4820-01-498-4043 is a Gear Operator,valve, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-498-4043?

NSN 4820-01-498-4043 has 4 cross-referenced part numbers: 414-19 (Emerson Automation Solutions Final Control Us Lp), D414-19-4-487 (Emerson Automation Solutions Final Control Us Lp), 487-819-050-414-006 (Emerson Automation Solutions Final Control Us Lp), 487-819-050-414-MKA (Emerson Automation Solutions Final Control Us Lp).

What NSN replaces 4820-01-498-4043?

There are 3 known substitutes for 4820-01-498-4043: 5305-00-206-1776, 2520-00-457-6660, 5950-00-487-5151. Verify interchangeability with system specifications before substitution.

What are the specifications of 487-819-050-414-MKA?

Key specifications for 487-819-050-414-MKA: Features Provided: HANDWHEEL; Special Features: 12.5 LBS. WEIGHT LBS; Gear Ratio: 40 TO 1; Part Name Assigned by Controlling Agency: HANDWHEEL GEAR OPERATOR ASSEMBLY. 8 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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