PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20261-3Valve,butterfly

Triumph Thermal Systems - Maryland, Inc. · NSN 4810-00-873-6240 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-873-6240 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-873-6240. Primary manufacturer part number: 20261-3.
Features
  • Valve,butterfly — FSC 4810
  • 3 verified cross-references
  • Primary manufacturer: Triumph Thermal Systems - Maryland, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,butterfly, cataloged under National Stock Number 4810-00-873-6240, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,butterfly
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersTriumph Thermal Systems - Maryland, Inc. (CAGE 01359)
Technical Specifications
ParameterValue
NSN4810-00-873-6240
Primary Part Number20261-3
Item NameValve,butterfly
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-171-6405 INTERCHANGEABLE
O-Ring
6680-00-240-9751 INTERCHANGEABLE
Indicator,liquid Quantity
4730-00-256-4211AS4858-03 INTERCHANGEABLE
Cross,pipe
Sae International Dba Sae International
3010-00-878-3393108806 INTERCHANGEABLE
Drive Unit,angle
Zero-Max, Inc
5940-00-913-9383 INTERCHANGEABLE
Terminal,feedthru
5950-01-032-0029102806 INTERCHANGEABLE
Transformer,power
Hammond Mfg Co Ltd
5360-01-058-6942202-613 INTERCHANGEABLE
Spring,helical,compression
Automatic Switch Company Dba Asco
3825-01-134-1443102806 INTERCHANGEABLE
Lever
Allianz Sweeper Company
5331-01-240-1651803491 INTERCHANGEABLE
O-Ring
Bosch Rexroth Corporation Div Industrial Hydraulics
5340-01-417-9898202613 INTERCHANGEABLE
Bumper
Spx Fluid Power
Cross-Reference Index
Part NumberManufacturer
20261-3 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
102806 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
102806-1 Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
5331-00-171-6405INTERCHANGEABLE
O-RING
6680-00-240-9751INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
4730-00-256-4211INTERCHANGEABLE
CROSS,PIPE
AS4858-03
3010-00-878-3393INTERCHANGEABLE
DRIVE UNIT,ANGLE
108806
5940-00-913-9383INTERCHANGEABLE
TERMINAL,FEEDTHRU
5950-01-032-0029INTERCHANGEABLE
TRANSFORMER,POWER
102806
5360-01-058-6942INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
202-613
3825-01-134-1443INTERCHANGEABLE
LEVER
102806
5331-01-240-1651INTERCHANGEABLE
O-RING
803491
5340-01-417-9898INTERCHANGEABLE
BUMPER
202613
4730-01-442-3404INTERCHANGEABLE
CLAMP,HOSE
4730-01-442-3406INTERCHANGEABLE
CLAMP,HOSE

Frequently Asked Questions

What is NSN 4810-00-873-6240?

NSN 4810-00-873-6240 is a Valve,butterfly, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4810-00-873-6240?

NSN 4810-00-873-6240 has 3 cross-referenced part numbers: 20261-3 (Triumph Thermal Systems - Maryland, Inc.), 102806 (Triumph Thermal Systems - Maryland, Inc.), 102806-1 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 4810-00-873-6240?

There are 12 known substitutes for 4810-00-873-6240: 5331-00-171-6405, 6680-00-240-9751, 4730-00-256-4211 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4810-00-873-6240 still in active supply?

NSN 4810-00-873-6240 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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