PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V-20Gear Operator,valve

Velan Valve Corp. · NSN 4820-01-417-5931 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-417-5931 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-417-5931. Primary manufacturer part number: V-20.
Features
  • Gear Operator,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Velan Valve Corp.
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 4820-01-417-5931, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear Operator,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersVelan Valve Corp. (CAGE 57574)
Technical Specifications
ParameterValue
NSN4820-01-417-5931
Primary Part NumberV-20
Item NameGear Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6930-00-518-6620 INTERCHANGEABLE
Differential,instrument
5961-00-755-4376 INTERCHANGEABLE
Semiconductor Device,diode
5910-00-917-0107 INTERCHANGEABLE
Retainer,capacitor
4810-01-013-6461V20 INTERCHANGEABLE
Valve,solenoid
Johnson Controls, Inc Div Building Efficiency
8415-01-088-3688 INTERCHANGEABLE
Gloves,chemical and Oil Protecti
3405-01-249-6343V-20 INTERCHANGEABLE
Saw,band,metal Cutting
Robot Research Corp Wellsaw Div
3020-01-417-67249500-107 INTERCHANGEABLE
Gear Set,bevel,matched
Velan Valve Corp.
3040-01-418-40769500-115-265G INTERCHANGEABLE
Hub,body
Velan Valve Corp.
3020-01-418-47319500-122 INTERCHANGEABLE
Adapter,yoke
Velan Valve Corp.
4810-01-434-8909SV20-7326 INTERCHANGEABLE
Valve,linear,directional Control
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Cross-Reference Index
Part NumberManufacturer
V200-006 Velan Valve Corp. (USA)
V200-006 ASSY V-20 Velan Valve Corp. (USA)
V-20 PRIMARY Velan Valve Corp. (USA)
Related Parts
6930-00-518-6620INTERCHANGEABLE
DIFFERENTIAL,INSTRUMENT
5961-00-755-4376INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5910-00-917-0107INTERCHANGEABLE
RETAINER,CAPACITOR
4810-01-013-6461INTERCHANGEABLE
VALVE,SOLENOID
V20
8415-01-088-3688INTERCHANGEABLE
GLOVES,CHEMICAL AND OIL PROTECTI
3405-01-249-6343INTERCHANGEABLE
SAW,BAND,METAL CUTTING
V-20
3020-01-417-6724INTERCHANGEABLE
GEAR SET,BEVEL,MATCHED
9500-107
3040-01-418-4076INTERCHANGEABLE
HUB,BODY
9500-115-265G
3020-01-418-4731INTERCHANGEABLE
ADAPTER,YOKE
9500-122
4810-01-434-8909INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
SV20-7326
6210-01-667-9520INTERCHANGEABLE
LIGHT,PANEL
V20

Frequently Asked Questions

What is NSN 4820-01-417-5931?

NSN 4820-01-417-5931 is a Gear Operator,valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-417-5931?

NSN 4820-01-417-5931 has 3 cross-referenced part numbers: V200-006 (Velan Valve Corp.), V200-006 ASSY V-20 (Velan Valve Corp.), V-20 (Velan Valve Corp.).

What NSN replaces 4820-01-417-5931?

There are 11 known substitutes for 4820-01-417-5931: 6930-00-518-6620, 5961-00-755-4376, 5910-00-917-0107 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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