PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VS-40/20Gear Operator,valve

Velan Valve Corp. · NSN 4820-01-417-5932 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-417-5932 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-417-5932. Primary manufacturer part number: VS-40/20.
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 4820-01-417-5932, 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. 7 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
NSN4820-01-417-5932
Primary Part NumberVS-40/20
Item NameGear Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3020-01-417-67249500-107 INTERCHANGEABLE
Gear Set,bevel,matched
Velan Valve Corp.
3040-01-417-67259500-310 INTERCHANGEABLE
Hub,body
Velan Valve Corp.
3020-01-417-67309500-306 INTERCHANGEABLE
Gear Set,bevel,matched
Velan Valve Corp.
3040-01-418-40769500-115-265G INTERCHANGEABLE
Hub,body
Velan Valve Corp.
3020-01-418-47029500-320 INTERCHANGEABLE
Adapter,gear Operator
Velan Valve Corp.
3020-01-418-47129500-314 INTERCHANGEABLE
Adapter,gear Operator
Velan Valve Corp.
3020-01-418-47259500-317 INTERCHANGEABLE
Adapter,yoke
Velan Valve Corp.
Cross-Reference Index
Part NumberManufacturer
VS40-012 ASSY VS-40/20 Velan Valve Corp. (USA)
VS40-012 Velan Valve Corp. (USA)
VS-40/20 PRIMARY Velan Valve Corp. (USA)
Related Parts
3020-01-417-6724INTERCHANGEABLE
GEAR SET,BEVEL,MATCHED
9500-107
3040-01-417-6725INTERCHANGEABLE
HUB,BODY
9500-310
3020-01-417-6730INTERCHANGEABLE
GEAR SET,BEVEL,MATCHED
9500-306
3040-01-418-4076INTERCHANGEABLE
HUB,BODY
9500-115-265G
3020-01-418-4702INTERCHANGEABLE
ADAPTER,GEAR OPERATOR
9500-320
3020-01-418-4712INTERCHANGEABLE
ADAPTER,GEAR OPERATOR
9500-314
3020-01-418-4725INTERCHANGEABLE
ADAPTER,YOKE
9500-317

Frequently Asked Questions

What is NSN 4820-01-417-5932?

NSN 4820-01-417-5932 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 4820-01-417-5932?

NSN 4820-01-417-5932 has 3 cross-referenced part numbers: VS40-012 ASSY VS-40/20 (Velan Valve Corp.), VS40-012 (Velan Valve Corp.), VS-40/20 (Velan Valve Corp.).

What NSN replaces 4820-01-417-5932?

There are 7 known substitutes for 4820-01-417-5932: 3020-01-417-6724, 3040-01-417-6725, 3020-01-417-6730 and 4 more. Verify interchangeability with system specifications before substitution.

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