PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D420-5-12-440Gear Operator,valve

Emerson Automation Solutions Final Control Us Lp · NSN 4820-01-477-8618 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-477-8618 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-477-8618. Primary manufacturer part number: D420-5-12-440.
Features
  • Gear Operator,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 3 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp
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 4820-01-477-8618, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-477-8618
Primary Part NumberD420-5-12-440
Item NameGear Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-200-8925440-819-120-420-044 INTERCHANGEABLE
Gear Operator,valve
Emerson Automation Solutions Final Control Us Lp
Cross-Reference Index
Part NumberManufacturer
D420-5-12-440 Emerson Automation Solutions Final Control Us Lp (USA)
440-719-120-420-535 Emerson Automation Solutions Final Control Us Lp (USA)
440-819-120-420-044(MOD) Emerson Automation Solutions Final Control Us Lp (USA)
Related Parts
4820-01-200-8925INTERCHANGEABLE
GEAR OPERATOR,VALVE
440-819-120-420-044

Frequently Asked Questions

What is NSN 4820-01-477-8618?

NSN 4820-01-477-8618 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 4820-01-477-8618?

NSN 4820-01-477-8618 has 3 cross-referenced part numbers: D420-5-12-440 (Emerson Automation Solutions Final Control Us Lp), 440-719-120-420-535 (Emerson Automation Solutions Final Control Us Lp), 440-819-120-420-044(MOD) (Emerson Automation Solutions Final Control Us Lp).

What NSN replaces 4820-01-477-8618?

There is 1 known substitute for 4820-01-477-8618: 4820-01-200-8925. Verify interchangeability with system specifications before substitution.

What are the specifications of D420-5-12-440?

Key specifications for D420-5-12-440: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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