PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2573-2-122Disk,valve

Velan Valve Corp. · NSN 4820-01-184-2300 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-184-2300 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-184-2300. Primary manufacturer part number: 2573-2-122.
Features
  • Disk,valve — FSC 4820
  • Temp Rating: 1050.0 FAHRENHEIT MAXIMUM DEGF
  • Material: STEEL CORROSION RESISTING
  • Media for Which Designed: OIL OR STEAM OR WATER
  • Pressure Rating: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • 3 verified cross-references
  • Primary manufacturer: Velan Valve Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-184-2300, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-184-2300
Primary Part Number2573-2-122
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Temp Rating1050.0 FAHRENHEIT MAXIMUM DEGF
MaterialSTEEL CORROSION RESISTING
Media for Which DesignedOIL OR STEAM OR WATER
Pressure Rating600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5360-00-097-5895969-530J INTERCHANGEABLE
Spring,helical,compression
Eaton Corp Opns & Technical Center
5940-00-818-1774SCC36846 INTERCHANGEABLE
Splice,conductor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
9540-01-067-3581 INTERCHANGEABLE
Structural Section,special Shape
4820-01-184-22072562-3-64 INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
4820-01-184-221323250 ITEM 2 3/4" INTERCHANGEABLE
Cap,valve
Velan Valve Corp.
4820-01-191-430823250 ITEM 6 1IN INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
4820-01-192-161323250 ITEM 5A INTERCHANGEABLE
Seat,valve
Velan Valve Corp.
4820-01-282-851323250 ITEM 5A 2IN INTERCHANGEABLE
Seat,valve
Velan Valve Corp.
9390-01-719-013823250 INTERCHANGEABLE
Sheet,nonmetallic,protective
Textiles Coated, Incorporated
Cross-Reference Index
Part NumberManufacturer
23250 Velan Valve Corp. (USA)
2573-2-122 PRIMARY Velan Valve Corp. (USA)
23250 ITEM 7A 3/4IN Velan Valve Corp. (USA)
Related Parts
5360-00-097-5895INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
969-530J
5940-00-818-1774INTERCHANGEABLE
SPLICE,CONDUCTOR
SCC36846
9540-01-067-3581INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
4820-01-184-2207INTERCHANGEABLE
STEM,FLUID VALVE
2562-3-64
4820-01-184-2213INTERCHANGEABLE
CAP,VALVE
23250 ITEM 2 3/4"
4820-01-191-4308INTERCHANGEABLE
STEM,FLUID VALVE
23250 ITEM 6 1IN
4820-01-192-1613INTERCHANGEABLE
SEAT,VALVE
23250 ITEM 5A
4820-01-282-8513INTERCHANGEABLE
SEAT,VALVE
23250 ITEM 5A 2IN
9390-01-719-0138INTERCHANGEABLE
SHEET,NONMETALLIC,PROTECTIVE
23250

Frequently Asked Questions

What is NSN 4820-01-184-2300?

NSN 4820-01-184-2300 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-184-2300?

NSN 4820-01-184-2300 has 3 cross-referenced part numbers: 23250 (Velan Valve Corp.), 2573-2-122 (Velan Valve Corp.), 23250 ITEM 7A 3/4IN (Velan Valve Corp.).

What NSN replaces 4820-01-184-2300?

There are 9 known substitutes for 4820-01-184-2300: 5360-00-097-5895, 5940-00-818-1774, 9540-01-067-3581 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2573-2-122?

Key specifications for 2573-2-122: Temp Rating: 1050.0 FAHRENHEIT MAXIMUM DEGF; End Item Identification: GATE VALVE, 3/4IN IN; Material: STEEL CORROSION RESISTING; Media for Which Designed: OIL OR STEAM OR WATER. 5 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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