PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1859-5 ITEM 4Disk,valve

Flowserve Corporation Div Flowserve Us Inc · NSN 4820-01-194-7006 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-194-7006 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-194-7006. Primary manufacturer part number: 1859-5 ITEM 4.
Features
  • Disk,valve — FSC 4820
  • Taper Major Diameter: 0.2243 INCHES NOMINAL IN
  • Pressure Rating: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Material: STEEL
  • Taper Length: 4.000 INCHES NOMINAL IN
  • Style Designator: SOLID WEDGE
  • Taper Minor Diameter: 0.1563 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-194-7006, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Corporation Div Flowserve Us Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-194-7006
Primary Part Number1859-5 ITEM 4
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Corporation Div Flowserve Us Inc
StatusACTIVE
Taper Major Diameter0.2243 INCHES NOMINAL IN
Pressure Rating600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
MaterialSTEEL
Taper Length4.000 INCHES NOMINAL IN
Style DesignatorSOLID WEDGE
Taper Minor Diameter0.1563 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6140-01-104-9581 INTERCHANGEABLE
Battery Assembly
4820-01-193-77981859-5 ITEM 5 INTERCHANGEABLE
Stem,fluid Valve
Flowserve Corporation Div Flowserve Us Inc
4730-01-479-287339215086 INTERCHANGEABLE
Elbow,pipe to Hose
Seelye Plastics Inc Dba Eiler Plastics Division
6515-01-587-4197333213 INTERCHANGEABLE
Anesthesia Set,spinal
B. Braun Medical Inc
Cross-Reference Index
Part NumberManufacturer
1859-5PC4 Anchor/darling Valve Co (USA)
1859-5 ITEM 4 PRIMARY Flowserve Corporation Div Flowserve Us Inc (USA)
1859-5 Flowserve Corporation Div Flowserve Us Inc (USA)
Related Parts
6140-01-104-9581INTERCHANGEABLE
BATTERY ASSEMBLY
4820-01-193-7798INTERCHANGEABLE
STEM,FLUID VALVE
1859-5 ITEM 5
4730-01-479-2873INTERCHANGEABLE
ELBOW,PIPE TO HOSE
39215086
6515-01-587-4197INTERCHANGEABLE
ANESTHESIA SET,SPINAL
333213

Frequently Asked Questions

What is NSN 4820-01-194-7006?

NSN 4820-01-194-7006 is a Disk,valve, manufactured by Flowserve Corporation Div Flowserve Us Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-194-7006?

NSN 4820-01-194-7006 has 3 cross-referenced part numbers: 1859-5PC4 (Anchor/darling Valve Co), 1859-5 ITEM 4 (Flowserve Corporation Div Flowserve Us Inc), 1859-5 (Flowserve Corporation Div Flowserve Us Inc).

What NSN replaces 4820-01-194-7006?

There are 4 known substitutes for 4820-01-194-7006: 6140-01-104-9581, 4820-01-193-7798, 4730-01-479-2873 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1859-5 ITEM 4?

Key specifications for 1859-5 ITEM 4: Taper Major Diameter: 0.2243 INCHES NOMINAL IN; Pressure Rating: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Material: STEEL; Taper Length: 4.000 INCHES NOMINAL IN. 7 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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