PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34281N REV AValve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-283-1920 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-283-1920 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-283-1920. Primary manufacturer part number: 34281N REV A.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • 14 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 Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-283-1920, 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. This item has 14 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795); Envirovac Inc Dba Monogram Systems-Rockford Div (CAGE 58568); Evac North America Inc (CAGE 47WD8)
Technical Specifications
ParameterValue
NSN4820-01-283-1920
Primary Part Number34281N REV A
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
6210-00-437-7681700-0006 INTERCHANGEABLE
Filter,indicator Light
Malwin Electronics Corp.
4320-01-122-125370000-06 INTERCHANGEABLE
Rotor
Parker-Hannifin Corp Div Hydraulic Pump/motor Division
5430-01-282-70097300003 INTERCHANGEABLE
Tank,pressure
Evac North America Inc
5430-01-282-70107300000 INTERCHANGEABLE
Tank,pressure
Evac North America Inc
4820-01-283-08047000035 INTERCHANGEABLE
Valve,safety Relief
Evac North America Inc
4820-01-283-18417000007 INTERCHANGEABLE
Valve,ball
Evac North America Inc
4320-01-301-45677000006 INTERCHANGEABLE
Impeller,pump,centrifugal
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6240-01-305-0907700.0006 INTERCHANGEABLE
Lamp,incandescent
L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division
4730-01-419-70827300000 INTERCHANGEABLE
Adapter,check Valve
Alfa Laval Inc
5340-01-579-4148730-00/00 INTERCHANGEABLE
Clip,spring Tension
Qualtek Electronics Corp Fan-S Div
Cross-Reference Index
Part NumberManufacturer
34281N REV A Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
7000006 REV D Envirovac Inc Dba Monogram Systems-Rockford Div (USA)
YB2059D645 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
2059 C3761 .75IN Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
7000006 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
3428IN P/N 2059 3/4IN Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
7300000 Envirovac Inc Dba Monogram Systems-Rockford Div (USA)
YB2059D6445 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB1059D644 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
7300000 ITEM 6 Envirovac Inc Dba Monogram Systems-Rockford Div (USA)
2503933-005 Envirovac Inc Dba Monogram Systems-Rockford Div (USA)
7000006 Envirovac Inc Dba Monogram Systems-Rockford Div (USA)
7000006 Evac North America Inc (USA)
2059 3/4IN CD34281N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
6210-00-437-7681INTERCHANGEABLE
FILTER,INDICATOR LIGHT
700-0006
4320-01-122-1253INTERCHANGEABLE
ROTOR
70000-06
5430-01-282-7009INTERCHANGEABLE
TANK,PRESSURE
7300003
5430-01-282-7010INTERCHANGEABLE
TANK,PRESSURE
7300000
4820-01-283-0804INTERCHANGEABLE
VALVE,SAFETY RELIEF
7000035
4820-01-283-1841INTERCHANGEABLE
VALVE,BALL
7000007
4320-01-301-4567INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
7000006
6240-01-305-0907INTERCHANGEABLE
LAMP,INCANDESCENT
700.0006
4730-01-419-7082INTERCHANGEABLE
ADAPTER,CHECK VALVE
7300000
5340-01-579-4148INTERCHANGEABLE
CLIP,SPRING TENSION
730-00/00

Frequently Asked Questions

What is NSN 4820-01-283-1920?

NSN 4820-01-283-1920 is a Valve,regulating,fluid Pressure, 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 4820-01-283-1920?

NSN 4820-01-283-1920 has 14 cross-referenced part numbers: 34281N REV A (Leslie Controls, Inc. Dba Leslie Controls Inc), 7000006 REV D (Envirovac Inc Dba Monogram Systems-Rockford Div), YB2059D645 (Leslie Controls, Inc. Dba Leslie Controls Inc), 2059 C3761 .75IN (Leslie Controls, Inc. Dba Leslie Controls Inc), 7000006 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 9 more.

What NSN replaces 4820-01-283-1920?

There are 10 known substitutes for 4820-01-283-1920: 6210-00-437-7681, 4320-01-122-1253, 5430-01-282-7009 and 7 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-283-1920 still in active supply?

NSN 4820-01-283-1920 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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