PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D50-2 1/2-005Disk,valve

Dante Valve Company · NSN 4820-01-345-4051 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-345-4051 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-345-4051. Primary manufacturer part number: D50-2 1/2-005.
Features
  • Disk,valve — FSC 4820
  • Style Designator: SOLID WEDGE
  • Material: NICKEL ALLOY
  • Media for Which Designed: WATER
  • 5 verified cross-references
  • Primary manufacturer: Dante Valve Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-345-4051, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dante Valve Company. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-345-4051
Primary Part NumberD50-2 1/2-005
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDante Valve Company
StatusACTIVE
Style DesignatorSOLID WEDGE
MaterialNICKEL ALLOY
Media for Which DesignedWATER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3040-00-931-454214Y8568 INTERCHANGEABLE
Ball Joint
Linde Material Handling North America Corporation
4820-01-180-0849D50FF-04-3X3 INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4820-01-272-6761 INTERCHANGEABLE
Disk,valve
4820-01-331-3609 INTERCHANGEABLE
Stem,fluid Valve
4820-01-344-5607D50FF-04-2 1/2IN INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4820-01-406-6710B2024 INTERCHANGEABLE
Adjusting Screw,valve
Dante Valve Company
4820-01-423-3596BASHH09EKK INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
Cross-Reference Index
Part NumberManufacturer
D50-2 1/2-005 PRIMARY Dante Valve Company (USA)
D50FF-3-000 Danco Valve Company (USA)
B2515A Dante Valve Company (USA)
B2515 Danco Valve Company (USA)
D50-2 1/2-005 Danco Valve Company (USA)
Related Parts
3040-00-931-4542INTERCHANGEABLE
BALL JOINT
14Y8568
4820-01-180-0849INTERCHANGEABLE
VALVE,SAFETY RELIEF
D50FF-04-3X3
4820-01-272-6761INTERCHANGEABLE
DISK,VALVE
4820-01-331-3609INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-344-5607INTERCHANGEABLE
VALVE,SAFETY RELIEF
D50FF-04-2 1/2IN
4820-01-406-6710INTERCHANGEABLE
ADJUSTING SCREW,VALVE
B2024
4820-01-423-3596INTERCHANGEABLE
VALVE,SAFETY RELIEF
BASHH09EKK

Frequently Asked Questions

What is NSN 4820-01-345-4051?

NSN 4820-01-345-4051 is a Disk,valve, manufactured by Dante Valve Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-345-4051?

NSN 4820-01-345-4051 has 5 cross-referenced part numbers: D50-2 1/2-005 (Dante Valve Company), D50FF-3-000 (Danco Valve Company), B2515A (Dante Valve Company), B2515 (Danco Valve Company), D50-2 1/2-005 (Danco Valve Company).

What NSN replaces 4820-01-345-4051?

There are 7 known substitutes for 4820-01-345-4051: 3040-00-931-4542, 4820-01-180-0849, 4820-01-272-6761 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D50-2 1/2-005?

Key specifications for D50-2 1/2-005: Style Designator: SOLID WEDGE; Material: NICKEL ALLOY; Media for Which Designed: WATER. 3 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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