PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30143Valve,regulating,fluid Pressure

Triumph Thermal Systems - Maryland, Inc. · NSN 4820-00-875-5243 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-875-5243 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-875-5243. Primary manufacturer part number: 30143.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Valve Loading Method: WEIGHT
  • Outlet Pressure Setting: ERR-060
  • Filter: NOT INCLUDED
  • Regulation Type: AUTOMATIC SINGLE STAGE
  • Second End Relationship with First End: IDENTICAL
  • First End Thread Direction: RIGHT-HAND
  • Material: ALUMINUM ALLOY FLOW CONTROL DEVICE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Flow Control Device construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-875-5243, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-875-5243
Primary Part Number30143
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Valve Loading MethodWEIGHT
Outlet Pressure SettingERR-060
FilterNOT INCLUDED
Regulation TypeAUTOMATIC SINGLE STAGE
Second End Relationship with First EndIDENTICAL
First End Thread DirectionRIGHT-HAND
MaterialALUMINUM ALLOY FLOW CONTROL DEVICE
MaterialSTEEL STEM
Thread Size and Series/type Designator3/8-18 NPT FIRST END
Body StyleSTRAIGHT THRU
Remote Actuation MethodDIAPHRAGM
Maximum Inlet Pressure RatingERR-060
First End Connection TypeTHREADED INTERNAL PIPE
Flow Control DeviceDISK
MaterialALUMINUM AND BRONZE SEAT
Media for Which DesignedWATER, OIL OR GAS
End Connection Quantity2
First End Style DesignatorPLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-213-0735 INTERCHANGEABLE
Stave,bearing
5365-00-574-082330143 INTERCHANGEABLE
Shim
Danuser Machine Co
3820-00-800-034230143 INTERCHANGEABLE
Baffle Chute
Eagle Crusher Co Inc Dba Stedman Machine Co
3040-01-035-95183528-1 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
1680-01-083-218330143 INTERCHANGEABLE
Vane,static
Safe Flight Instrument, Llc
6635-01-121-3202 INTERCHANGEABLE
Pick-Up Assembly
5365-01-142-702230143 INTERCHANGEABLE
Bushing,machine Thread
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
6515-01-240-385110-80090 INTERCHANGEABLE
Airway,pharyngeal
Mercury Enterprises Inc
5130-01-337-363030143 INTERCHANGEABLE
Brush,wire,rotary End
Jason Incorporated Dba Osborn International a Unit of Jason
3455-01-364-8161301-43 INTERCHANGEABLE
Cutter,milling,plain
Kennametal Inc. Div Kennametal Industrial Products Group
Cross-Reference Index
Part NumberManufacturer
30143 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
3120-00-213-0735INTERCHANGEABLE
STAVE,BEARING
5365-00-574-0823INTERCHANGEABLE
SHIM
30143
3820-00-800-0342INTERCHANGEABLE
BAFFLE CHUTE
30143
3040-01-035-9518INTERCHANGEABLE
CONNECTING LINK,RIGID
3528-1
1680-01-083-2183INTERCHANGEABLE
VANE,STATIC
30143
6635-01-121-3202INTERCHANGEABLE
PICK-UP ASSEMBLY
5365-01-142-7022INTERCHANGEABLE
BUSHING,MACHINE THREAD
30143
6515-01-240-3851INTERCHANGEABLE
AIRWAY,PHARYNGEAL
10-80090
5130-01-337-3630INTERCHANGEABLE
BRUSH,WIRE,ROTARY END
30143
3455-01-364-8161INTERCHANGEABLE
CUTTER,MILLING,PLAIN
301-43
4820-01-506-9050INTERCHANGEABLE
DISK,VALVE
30058
4820-01-506-9053INTERCHANGEABLE
DISK,VALVE
30046

Frequently Asked Questions

What is NSN 4820-00-875-5243?

NSN 4820-00-875-5243 is a Valve,regulating,fluid Pressure, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-875-5243?

NSN 4820-00-875-5243 has 1 cross-referenced part number: 30143 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 4820-00-875-5243?

There are 12 known substitutes for 4820-00-875-5243: 3120-00-213-0735, 5365-00-574-0823, 3820-00-800-0342 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30143?

Key specifications for 30143: Valve Loading Method: WEIGHT; Outlet Pressure Setting: ERR-060; Filter: NOT INCLUDED; Regulation Type: AUTOMATIC SINGLE STAGE. 18 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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