PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3BV-A2001Stem,disk Assembly

Velan Inc · NSN 4820-01-117-8306 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-117-8306 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-117-8306. Primary manufacturer part number: 3BV-A2001.
Features
  • Stem,disk Assembly — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • 6 verified cross-references
  • Primary manufacturer: Velan Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Stem,disk Assembly, cataloged under National Stock Number 4820-01-117-8306, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-117-8306
Primary Part Number3BV-A2001
Item NameStem,disk Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Inc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-01-062-8767 INTERCHANGEABLE
Stem,fluid Valve
4820-01-160-5265 INTERCHANGEABLE
Stem,fluid Valve
4820-01-160-564233350 PIECE 24 1-4THRU1-2IN INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
4820-01-160-58443BV-A2001 INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
4820-01-226-0304 INTERCHANGEABLE
Stem,fluid Valve
Cross-Reference Index
Part NumberManufacturer
3BV-A2001 Velan Inc (CAN)
33311-3PC24(1/2IN) Velan Valve Corp. (USA)
33310-3 PIECE 24 Velan Valve Corp. (USA)
33311-3 PIECE 24 Velan Valve Corp. (USA)
1BV-A2001 Velan Valve Corp. (USA)
33311-4PC24 Velan Valve Corp. (USA)
Related Parts
4820-01-062-8767INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-160-5265INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-160-5642INTERCHANGEABLE
STEM,FLUID VALVE
33350 PIECE 24 1-4THRU1-2IN
4820-01-160-5844INTERCHANGEABLE
STEM,FLUID VALVE
3BV-A2001
4820-01-226-0304INTERCHANGEABLE
STEM,FLUID VALVE

Frequently Asked Questions

What is NSN 4820-01-117-8306?

NSN 4820-01-117-8306 is a Stem,disk Assembly, manufactured by Velan Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-117-8306?

NSN 4820-01-117-8306 has 6 cross-referenced part numbers: 3BV-A2001 (Velan Inc), 33311-3PC24(1/2IN) (Velan Valve Corp.), 33310-3 PIECE 24 (Velan Valve Corp.), 33311-3 PIECE 24 (Velan Valve Corp.), 1BV-A2001 (Velan Valve Corp.) and 1 more.

What NSN replaces 4820-01-117-8306?

There are 5 known substitutes for 4820-01-117-8306: 4820-01-062-8767, 4820-01-160-5265, 4820-01-160-5642 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3BV-A2001?

Key specifications for 3BV-A2001: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; 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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