PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23250 ITEM 6 1INStem,fluid Valve

Velan Valve Corp. · NSN 4820-01-191-4308 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-191-4308 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-191-4308. Primary manufacturer part number: 23250 ITEM 6 1IN.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Size for Which Designed: 1.000 INCHES IN
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Material: STEEL COMP 416
  • Largest Outside Diameter: 0.562 INCHES NOMINAL IN
  • Valve Type for Which Designed: GATE
  • Material Document and Classification: ASTM 276-59 ASSN STD SINGLE MATERIAL RESPONSE
  • 2 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 416 construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-191-4308, 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 6 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-191-4308
Primary Part Number23250 ITEM 6 1IN
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Valve Size for Which Designed1.000 INCHES IN
Stem Actuating End TypeTHREADED EXTERNALLY
MaterialSTEEL COMP 416
Largest Outside Diameter0.562 INCHES NOMINAL IN
Valve Type for Which DesignedGATE
Material Document and ClassificationASTM 276-59 ASSN STD SINGLE MATERIAL RESPONSE
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.
4820-01-184-23002573-2-122 INTERCHANGEABLE
Disk,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 ITEM 6 1IN PRIMARY Velan Valve Corp. (USA)
23250 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"
4820-01-184-2300INTERCHANGEABLE
DISK,VALVE
2573-2-122
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 4820-01-191-4308?

NSN 4820-01-191-4308 is a Stem,fluid Valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-191-4308?

NSN 4820-01-191-4308 has 2 cross-referenced part numbers: 23250 ITEM 6 1IN (Velan Valve Corp.), 23250 (Velan Valve Corp.).

What NSN replaces 4820-01-191-4308?

There are 9 known substitutes for 4820-01-191-4308: 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 23250 ITEM 6 1IN?

Key specifications for 23250 ITEM 6 1IN: Valve Size for Which Designed: 1.000 INCHES IN; Stem Actuating End Type: THREADED EXTERNALLY; Material: STEEL COMP 416; Largest Outside Diameter: 0.562 INCHES NOMINAL IN. 6 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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