PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

440-819-120-420-044Gear Operator,valve

Emerson Automation Solutions Final Control Us Lp · NSN 4820-01-200-8925 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-200-8925 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-200-8925. Primary manufacturer part number: 440-819-120-420-044.
Features
  • Gear Operator,valve — FSC 4820
  • Gear Ratio: 30 TO 1
  • Valve Size for Which Designed: 12.000 INCHES IN
  • Valve Type for Which Designed: BUTTERFLY
  • Material: IRON
  • Features Provided: HANDWHEEL AND INDICATOR GAGE
  • Gear Type: WORM
  • 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 4820-01-200-8925, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-200-8925
Primary Part Number440-819-120-420-044
Item NameGear Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp
StatusCANCELLED
Gear Ratio30 TO 1
Valve Size for Which Designed12.000 INCHES IN
Valve Type for Which DesignedBUTTERFLY
MaterialIRON
Features ProvidedHANDWHEEL AND INDICATOR GAGE
Gear TypeWORM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-296-9677 INTERCHANGEABLE
Valve,vent
5120-00-343-0068341663 INTERCHANGEABLE
Adapter,torque Wrench
Lockheed Martin Corp
5310-00-639-0950193-6 INTERCHANGEABLE
Washer,lock
Cnh Industrial America Llc Dba Cnh America
1680-00-703-3461 INTERCHANGEABLE
Control Assembly,quadrant
5120-00-776-7046 INTERCHANGEABLE
Guide,high Pressure Block Assemb
5930-01-020-2506 INTERCHANGEABLE
Switch,pressure
4820-01-101-2891137-259-080-420-000 INTERCHANGEABLE
Cover,valve
Emerson Automation Solutions Final Control Us Lp
4820-01-118-1986325104.700 INTERCHANGEABLE
Valve,butterfly
W & O Supply Inc
4820-01-200-3186902-776-020-400-005 INTERCHANGEABLE
Plate,throttling
Emerson Automation Solutions Final Control Us Lp
3040-01-293-1375109-218-080-420-003 INTERCHANGEABLE
Shaft,shouldered
Emerson Automation Solutions Final Control Us Lp
Cross-Reference Index
Part NumberManufacturer
11-1000 Emerson Automation Solutions Final Control Us Lp (USA)
D420-5-12-440 Emerson Automation Solutions Final Control Us Lp (USA)
390-819-120-420-000 Emerson Automation Solutions Final Control Us Lp (USA)
440-819-120-420-044 PRIMARY Emerson Automation Solutions Final Control Us Lp (USA)
Related Parts
4820-00-296-9677INTERCHANGEABLE
VALVE,VENT
5120-00-343-0068INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
341663
5310-00-639-0950INTERCHANGEABLE
WASHER,LOCK
193-6
1680-00-703-3461INTERCHANGEABLE
CONTROL ASSEMBLY,QUADRANT
5120-00-776-7046INTERCHANGEABLE
GUIDE,HIGH PRESSURE BLOCK ASSEMB
5930-01-020-2506INTERCHANGEABLE
SWITCH,PRESSURE
4820-01-101-2891INTERCHANGEABLE
COVER,VALVE
137-259-080-420-000
4820-01-118-1986INTERCHANGEABLE
VALVE,BUTTERFLY
325104.700
4820-01-200-3186INTERCHANGEABLE
PLATE,THROTTLING
902-776-020-400-005
3040-01-293-1375INTERCHANGEABLE
SHAFT,SHOULDERED
109-218-080-420-003
4820-01-477-8618INTERCHANGEABLE
GEAR OPERATOR,VALVE
5920-01-717-8061INTERCHANGEABLE
FUSE,ENCLOSED LINK
11-1000

Frequently Asked Questions

What is NSN 4820-01-200-8925?

NSN 4820-01-200-8925 is a Gear Operator,valve, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-200-8925?

NSN 4820-01-200-8925 has 4 cross-referenced part numbers: 11-1000 (Emerson Automation Solutions Final Control Us Lp), D420-5-12-440 (Emerson Automation Solutions Final Control Us Lp), 390-819-120-420-000 (Emerson Automation Solutions Final Control Us Lp), 440-819-120-420-044 (Emerson Automation Solutions Final Control Us Lp).

What NSN replaces 4820-01-200-8925?

There are 12 known substitutes for 4820-01-200-8925: 4820-00-296-9677, 5120-00-343-0068, 5310-00-639-0950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 440-819-120-420-044?

Key specifications for 440-819-120-420-044: Gear Ratio: 30 TO 1; Valve Size for Which Designed: 12.000 INCHES IN; Valve Type for Which Designed: BUTTERFLY; Material: IRON. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-200-8925 still in active supply?

NSN 4820-01-200-8925 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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