PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U301391201Valve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-370-5443 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-370-5443 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-370-5443. Primary manufacturer part number: U301391201.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Maximum Inlet Pressure Rating: ERR-060
  • Flow Control Device: DISK
  • End Connection Quantity: 2
  • Second End Relationship with First End: IDENTICAL
  • Media for Which Designed: AIR OR GAS
  • First End Connection Type: THREADED INTERNAL PIPE
  • First End Style Designator: PLAIN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-370-5443, 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 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-370-5443
Primary Part NumberU301391201
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Maximum Inlet Pressure RatingERR-060
Flow Control DeviceDISK
End Connection Quantity2
Second End Relationship with First EndIDENTICAL
Media for Which DesignedAIR OR GAS
First End Connection TypeTHREADED INTERNAL PIPE
First End Style DesignatorPLAIN
Furnished ItemsOUTLET PRESSURE GAGE AND INLET STRAINER AND INLET ADAPTER
Thread Size and Series/type Designator1/4-18 NPT FIRST END
First End Thread DirectionRIGHT-HAND
Regulation TypeAUTOMATIC SINGLE STAGE
Valve Loading MethodSPRING
Outlet Pressure Range5.0 TO 95.0 CAMERA MOUNT
Temp Rating150.0 FAHRENHEIT NOMINAL DEGF
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-213-0734 INTERCHANGEABLE
Stave,bearing
5999-00-216-8769 INTERCHANGEABLE
Contact,electrical
3455-00-231-348410350 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5365-00-574-080830142 INTERCHANGEABLE
Shim
Danuser Machine Co
4820-01-064-5535 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-081-797730142 INTERCHANGEABLE
Disc,special
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5998-01-248-0450 INTERCHANGEABLE
Circuit Card Assembly
5985-01-369-69041209052-201 INTERCHANGEABLE
Coupler,transmission Line
Lockheed Martin Corporation Div Rms
6685-01-391-939230142 INTERCHANGEABLE
Regulator,temperature
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
4820-01-507-079530003-010 P/N 27DC13M-U20/S4 INTERCHANGEABLE
Disk,valve
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Cross-Reference Index
Part NumberManufacturer
AWRG 1/4IN. 30/1.4.2.1 ALT10 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25AWRG 30/1.4.2 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
U301391201 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
30/1.4.2 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3120-00-213-0734INTERCHANGEABLE
STAVE,BEARING
5999-00-216-8769INTERCHANGEABLE
CONTACT,ELECTRICAL
3455-00-231-3484INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10350
5365-00-574-0808INTERCHANGEABLE
SHIM
30142
4820-01-064-5535INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-081-7977INTERCHANGEABLE
DISC,SPECIAL
30142
5998-01-248-0450INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5985-01-369-6904INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
1209052-201
6685-01-391-9392INTERCHANGEABLE
REGULATOR,TEMPERATURE
30142
4820-01-507-0795INTERCHANGEABLE
DISK,VALVE
30003-010 P/N 27DC13M-U20/S4
5820-01-532-7246INTERCHANGEABLE
TELECONFERENCE SYSTEM
3014-2
4730-01-541-3204INTERCHANGEABLE
CAP,HOSE

Frequently Asked Questions

What is NSN 4820-01-370-5443?

NSN 4820-01-370-5443 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 4820-01-370-5443?

NSN 4820-01-370-5443 has 4 cross-referenced part numbers: AWRG 1/4IN. 30/1.4.2.1 ALT10 (Leslie Controls, Inc. Dba Leslie Controls Inc), 25AWRG 30/1.4.2 (Leslie Controls, Inc. Dba Leslie Controls Inc), U301391201 (Leslie Controls, Inc. Dba Leslie Controls Inc), 30/1.4.2 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-370-5443?

There are 12 known substitutes for 4820-01-370-5443: 3120-00-213-0734, 5999-00-216-8769, 3455-00-231-3484 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U301391201?

Key specifications for U301391201: Maximum Inlet Pressure Rating: ERR-060; Flow Control Device: DISK; End Connection Quantity: 2; Second End Relationship with First End: IDENTICAL. 15 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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