PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

B225Valve,ball

Name: B225
SKU: 4820-01-646-2740

Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc · NSN 4820-01-646-2740 · FSC 4820 · No Item Name Available

Verified by PartsTable

NSN 4820-01-646-2740 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-646-2740. Primary manufacturer part number: B225.

4820-01-646-2740 — No Item Name Available illustration

Features

Valve,ball — FSC 4820
Valve Size: 1.0 INCHES IN
Surface Treatment: NICKEL
Style Designator: STRAIGHT THRU
Thread Series Designator: NPT ALL ENDS
Material: COPPER ALLOY BODY
Connection Type: THREADED INTERNAL PIPE 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 4820-01-646-2740, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-646-2740
Primary Part Number	B225
Item Name	Valve,ball
FSC / FSG	4820 / 48 — No Item Name Available
Manufacturer	Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc
Status	ACTIVE
Valve Size	1.0 INCHES IN
Surface Treatment	NICKEL
Style Designator	STRAIGHT THRU
Thread Series Designator	NPT ALL ENDS
Material	COPPER ALLOY BODY
Connection Type	THREADED INTERNAL PIPE ALL ENDS

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 5

3030-00-014-0129B225 INTERCHANGEABLE

Belt,v

Gates Corporation

3120-00-063-9711 INTERCHANGEABLE

Bearing,sleeve

6220-00-358-7334910419 INTERCHANGEABLE

Stop Light-Taillight,vehicular

General Motors Corp

1730-00-831-5392787497-1 INTERCHANGEABLE

Screen,aircraft Ground Servicing

Lockheed Martin Corp

5925-01-387-6469B225 INTERCHANGEABLE

Circuit Breaker

Siemens Energy and Automation Inc Ite Circuit Protection Div

Cross-Reference Index

Part Number	Manufacturer
B225 PRIMARY	Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc (USA)

Related Parts

3030-00-014-0129INTERCHANGEABLE

BELT,V

B225

3120-00-063-9711INTERCHANGEABLE

BEARING,SLEEVE

6220-00-358-7334INTERCHANGEABLE

STOP LIGHT-TAILLIGHT,VEHICULAR

910419

1730-00-831-5392INTERCHANGEABLE

SCREEN,AIRCRAFT GROUND SERVICING

787497-1

5925-01-387-6469INTERCHANGEABLE

CIRCUIT BREAKER

B225

Frequently Asked Questions

What is NSN 4820-01-646-2740?

NSN 4820-01-646-2740 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 4820-01-646-2740?

NSN 4820-01-646-2740 has 1 cross-referenced part number: B225 (Belimo Aircontrols (usa), Inc. Dba Belimo Aircontrols Usa Inc).

What NSN replaces 4820-01-646-2740?

There are 5 known substitutes for 4820-01-646-2740: 3030-00-014-0129, 3120-00-063-9711, 6220-00-358-7334 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B225?

Key specifications for B225: Valve Size: 1.0 INCHES IN; End Item Identification: 5419015430158; Surface Treatment: NICKEL; Style Designator: STRAIGHT THRU. 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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