PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B229701-44 AND B229722-42Liner,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-422-2849 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-422-2849 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-422-2849. Primary manufacturer part number: B229701-44 AND B229722-42.
Features
  • Liner,valve — FSC 4820
  • General Characteristics Item Description: MONEL, FOR 2.500 IN. PRESSURE REGULATING VALVE, CLASS 250 IN
  • 9 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Liner,valve, cataloged under National Stock Number 4820-01-422-2849, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-422-2849
Primary Part NumberB229701-44 AND B229722-42
Item NameLiner,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
General Characteristics Item DescriptionMONEL, FOR 2.500 IN. PRESSURE REGULATING VALVE, CLASS 250 IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-260-8288SAE J513 8 010112B INTERCHANGEABLE
Cap,tube
Sae International Dba Sae International
4730-00-490-9001 INTERCHANGEABLE
Cap,tube
5950-00-546-3625W4642 INTERCHANGEABLE
Transformer,power
Magnetika Inc
4820-01-142-966730 2 1/2IN50T100PSI N-510 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
3610-01-311-1991N-5/10 INTERCHANGEABLE
Spring
De La Rue Giori S.a.
4720-01-601-4072 INTERCHANGEABLE
Tubing,nonmetallic
Cross-Reference Index
Part NumberManufacturer
B229701-44 AND B229722-42 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
22972242 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-677 PIECE 16 AND 24 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N22972242 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-677 PIECE 16 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-670 PIECE 24 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
NB22972242 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-510 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-510-24-16 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4730-00-260-8288INTERCHANGEABLE
CAP,TUBE
SAE J513 8 010112B
4730-00-490-9001INTERCHANGEABLE
CAP,TUBE
5950-00-546-3625INTERCHANGEABLE
TRANSFORMER,POWER
W4642
4820-01-142-9667INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30 2 1/2IN50T100PSI N-510
3610-01-311-1991INTERCHANGEABLE
SPRING
N-5/10
4720-01-601-4072INTERCHANGEABLE
TUBING,NONMETALLIC

Frequently Asked Questions

What is NSN 4820-01-422-2849?

NSN 4820-01-422-2849 is a Liner,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-422-2849?

NSN 4820-01-422-2849 has 9 cross-referenced part numbers: B229701-44 AND B229722-42 (Leslie Controls, Inc. Dba Leslie Controls Inc), 22972242 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-677 PIECE 16 AND 24 (Leslie Controls, Inc. Dba Leslie Controls Inc), N22972242 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-677 PIECE 16 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 4 more.

What NSN replaces 4820-01-422-2849?

There are 6 known substitutes for 4820-01-422-2849: 4730-00-260-8288, 4730-00-490-9001, 5950-00-546-3625 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B229701-44 AND B229722-42?

Key specifications for B229701-44 AND B229722-42: End Item Identification: WASP CLASS LHD; General Characteristics Item Description: MONEL, FOR 2.500 IN. PRESSURE REGULATING VALVE, CLASS 250 IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-422-2849 still in active supply?

NSN 4820-01-422-2849 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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