PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B240Valve,ball

Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc · NSN 4820-01-646-2761 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-646-2761 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-646-2761. Primary manufacturer part number: B240.
Features
  • Valve,ball — FSC 4820
  • Material: COPPER ALLOY BODY
  • Valve Size: 1.50 INCHES IN
  • Surface Treatment: NICKEL
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Thread Series Designator: NPT ALL ENDS
  • 1 verified cross-reference
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-646-2761, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-646-2761
Primary Part NumberB240
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBelimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc
StatusACTIVE
MaterialCOPPER ALLOY BODY
Valve Size1.50 INCHES IN
Surface TreatmentNICKEL
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSTRAIGHT THRU
Thread Series DesignatorNPT ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-063-1843B240B INTERCHANGEABLE
Jack,brake and Accelerator Pedal
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
3455-00-224-366059-10016 INTERCHANGEABLE
Cutter,milling,metal Slitting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5999-00-868-8487B2.40 INTERCHANGEABLE
Heater,thermal Release
Schneider Electric Usa, Inc.
5995-01-176-7235 INTERCHANGEABLE
Lead,electrical
5925-01-387-6663B240 INTERCHANGEABLE
Circuit Breaker
Siemens Energy and Automation Inc Ite Circuit Protection Div
5998-01-443-8618B240 INTERCHANGEABLE
Electronic Components Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
3020-01-656-3390B240 INTERCHANGEABLE
Gear,spur
Arcosa Marine Components, Llc
Cross-Reference Index
Part NumberManufacturer
B240 PRIMARY Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc (USA)
Related Parts
5120-00-063-1843INTERCHANGEABLE
JACK,BRAKE AND ACCELERATOR PEDAL
B240B
3455-00-224-3660INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
59-10016
5999-00-868-8487INTERCHANGEABLE
HEATER,THERMAL RELEASE
B2.40
5995-01-176-7235INTERCHANGEABLE
LEAD,ELECTRICAL
5925-01-387-6663INTERCHANGEABLE
CIRCUIT BREAKER
B240
5998-01-443-8618INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
B240
3020-01-656-3390INTERCHANGEABLE
GEAR,SPUR
B240

Frequently Asked Questions

What is NSN 4820-01-646-2761?

NSN 4820-01-646-2761 is a Valve,ball, manufactured by Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-646-2761?

NSN 4820-01-646-2761 has 1 cross-referenced part number: B240 (Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc).

What NSN replaces 4820-01-646-2761?

There are 7 known substitutes for 4820-01-646-2761: 5120-00-063-1843, 3455-00-224-3660, 5999-00-868-8487 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B240?

Key specifications for B240: Material: COPPER ALLOY BODY; End Item Identification: 5419015430158; Valve Size: 1.50 INCHES IN; Surface Treatment: NICKEL. 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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