PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30/3.4.3 PC 1 LS-5Valve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-370-5444 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-370-5444 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-370-5444. Primary manufacturer part number: 30/3.4.3 PC 1 LS-5.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: STEEL BODY
  • End Connection Quantity: 2
  • Body Style: STRAIGHT THRU
  • Media for Which Designed: AIR AND GAS
  • Second End Relationship with First End: IDENTICAL
  • First End Style Designator: SOCKET
  • First End Connection Type: UNTHREADED INTERNAL PIPE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-370-5444, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references 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
NSN4820-01-370-5444
Primary Part Number30/3.4.3 PC 1 LS-5
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialSTEEL BODY
End Connection Quantity2
Body StyleSTRAIGHT THRU
Media for Which DesignedAIR AND GAS
Second End Relationship with First EndIDENTICAL
First End Style DesignatorSOCKET
First End Connection TypeUNTHREADED INTERNAL PIPE
First End Nominal Pipe Size Accommodated1.000 INCHES IN
Flow Control DeviceDIAPHRAGM
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Maximum Inlet Pressure RatingERR-060
Valve Loading MethodSPRING
Regulation TypeAUTOMATIC SINGLE STAGE
FilterNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4330-00-392-917151436 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
6150-00-395-2862 INTERCHANGEABLE
Lead,electrical
5355-00-668-6922618BS3034-3 INTERCHANGEABLE
Dial,control
Keysight Technologies Inc
5360-00-702-6818303-23 INTERCHANGEABLE
Spring,helical,compression
Aerco International, Inc. Dba Aerco International Inc
3930-00-874-539830343 INTERCHANGEABLE
Roller,carriage
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5905-00-998-9038 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5940-01-593-857612419928-002 INTERCHANGEABLE
Terminal,quick Disconnect
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
LS-5 1.00 IN, S Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
30/3.4.3 PC 1 LS-5 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
LS-5 1.00 IN SW, 600PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
30/3.4.3 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4330-00-392-9171INTERCHANGEABLE
FILTER ELEMENT,FLUID
51436
6150-00-395-2862INTERCHANGEABLE
LEAD,ELECTRICAL
5355-00-668-6922INTERCHANGEABLE
DIAL,CONTROL
618BS3034-3
5360-00-702-6818INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
303-23
3930-00-874-5398INTERCHANGEABLE
ROLLER,CARRIAGE
30343
5905-00-998-9038INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5940-01-593-8576INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
12419928-002

Frequently Asked Questions

What is NSN 4820-01-370-5444?

NSN 4820-01-370-5444 is a Valve,regulating,fluid Pressure, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-370-5444?

NSN 4820-01-370-5444 has 4 cross-referenced part numbers: LS-5 1.00 IN, S (Leslie Controls, Inc. Dba Leslie Controls Inc), 30/3.4.3 PC 1 LS-5 (Leslie Controls, Inc. Dba Leslie Controls Inc), LS-5 1.00 IN SW, 600PSI (Leslie Controls, Inc. Dba Leslie Controls Inc), 30/3.4.3 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-370-5444?

There are 7 known substitutes for 4820-01-370-5444: 4330-00-392-9171, 6150-00-395-2862, 5355-00-668-6922 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30/3.4.3 PC 1 LS-5?

Key specifications for 30/3.4.3 PC 1 LS-5: Material: STEEL BODY; End Connection Quantity: 2; Body Style: STRAIGHT THRU; Media for Which Designed: AIR AND GAS. 14 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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