PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V-40Gear Operator,valve

Velan Valve Corp. · NSN 4820-01-417-9418 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-417-9418 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-417-9418. Primary manufacturer part number: V-40.
Features
  • Gear Operator,valve — FSC 4820
  • Material: IRON
  • Gear Ratio: 6 TO 1
  • Gear Type: BEVEL
  • Features Provided: HANDWHEEL AND INDICATOR GAGE
  • 2 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 4820-01-417-9418, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-417-9418
Primary Part NumberV-40
Item NameGear Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
MaterialIRON
Gear Ratio6 TO 1
Gear TypeBEVEL
Features ProvidedHANDWHEEL AND INDICATOR GAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2920-00-127-2725AK0 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
8040-00-142-9947 INTERCHANGEABLE
Adhesive
3130-00-227-31559FX1 11-16 INTERCHANGEABLE
Bearing Unit,ball
Altra Industrial Motion Corp.
3030-00-264-3044TR28483 INTERCHANGEABLE
Belt,v
Gates Corporation
5999-01-152-9116 INTERCHANGEABLE
Contact Assembly,electrical
4730-01-431-6717V40 INTERCHANGEABLE
Coupling Half,quick Disconnect
E. D. Bullard Company Dba Ed Bullard Co
Cross-Reference Index
Part NumberManufacturer
V-40 PRIMARY Velan Valve Corp. (USA)
V400-012 ASSY V-40 Velan Valve Corp. (USA)
Related Parts
2920-00-127-2725INTERCHANGEABLE
SPARK PLUG
AK0
8040-00-142-9947INTERCHANGEABLE
ADHESIVE
3130-00-227-3155INTERCHANGEABLE
BEARING UNIT,BALL
9FX1 11-16
3030-00-264-3044INTERCHANGEABLE
BELT,V
TR28483
5999-01-152-9116INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
4730-01-431-6717INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
V40

Frequently Asked Questions

What is NSN 4820-01-417-9418?

NSN 4820-01-417-9418 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 4820-01-417-9418?

NSN 4820-01-417-9418 has 2 cross-referenced part numbers: V-40 (Velan Valve Corp.), V400-012 ASSY V-40 (Velan Valve Corp.).

What NSN replaces 4820-01-417-9418?

There are 6 known substitutes for 4820-01-417-9418: 2920-00-127-2725, 8040-00-142-9947, 3130-00-227-3155 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of V-40?

Key specifications for V-40: Material: IRON; Gear Ratio: 6 TO 1; Gear Type: BEVEL; Features Provided: HANDWHEEL AND INDICATOR GAGE. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com