PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45190-3Valve,regulating,fluid Pressure

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-00-399-5365 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-399-5365 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-399-5365. Primary manufacturer part number: 45190-3.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • First End Outside Diameter Tube Accommodated: 0.500 INCHES NOMINAL IN
  • Media for Which Designed: AIR
  • Body Style: STRAIGHT THRU
  • First End Connection Type: THREADED EXTERNAL TUBE
  • First End Style Designator: FLARED
  • First End Seat Angle in Deg: 37.0
  • Third End Relationship with Preceding Ends: IDENTICAL WITH FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Seat construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-399-5365, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-399-5365
Primary Part Number45190-3
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
First End Outside Diameter Tube Accommodated0.500 INCHES NOMINAL IN
Media for Which DesignedAIR
Body StyleSTRAIGHT THRU
First End Connection TypeTHREADED EXTERNAL TUBE
First End Style DesignatorFLARED
First End Seat Angle in Deg37.0
Third End Relationship with Preceding EndsIDENTICAL WITH FIRST END
Second End Relationship with First EndIDENTICAL
First End Thread DirectionRIGHT-HAND
First End Thread Class3A A
Flow Control DevicePOPPET
FilterNOT INCLUDED
Valve Stem DesignSINGLE SEAT
Remote Actuation MethodDIAPHRAGM
Outlet Pressure Range10.0 TO 12.0 CAMERA MOUNT
Renewable Seat Ring TypeANY ACCEPTABLE
Maximum Inlet Pressure RatingERR-060
Regulation TypeAUTOMATIC SINGLE STAGE
End Connection Quantity3
MaterialSTEEL SEAT
Valve Loading MethodSPRING
Material Document and ClassificationUNABLE TO DECODE
Surface TreatmentPASSIVATE OUTSIDE
Thread Size and Series/type Designator3/4-16 UNF FIRST END
MaterialPLASTIC FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3825-00-491-3367A45190 INTERCHANGEABLE
Snubber Sub-Assembly
Allianz Sweeper Company
1560-00-979-521565-28205-4 INTERCHANGEABLE
Panel,structural,aircraft
The Boeing Company Div Defense
5120-01-358-2754J5270A INTERCHANGEABLE
Universal Joint,socket Wrench at
The Stanley Works Dba Stanley Proto
5120-01-430-2939 INTERCHANGEABLE
Universal Joint,socket Wrench at
Cross-Reference Index
Part NumberManufacturer
45190-3 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
45190 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
673094-101 Lockheed Martin Corp (USA)
Related Parts
3825-00-491-3367INTERCHANGEABLE
SNUBBER SUB-ASSEMBLY
A45190
1560-00-979-5215INTERCHANGEABLE
PANEL,STRUCTURAL,AIRCRAFT
65-28205-4
5120-01-358-2754INTERCHANGEABLE
UNIVERSAL JOINT,SOCKET WRENCH AT
J5270A
5120-01-430-2939INTERCHANGEABLE
UNIVERSAL JOINT,SOCKET WRENCH AT

Frequently Asked Questions

What is NSN 4820-00-399-5365?

NSN 4820-00-399-5365 is a Valve,regulating,fluid Pressure, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-399-5365?

NSN 4820-00-399-5365 has 3 cross-referenced part numbers: 45190-3 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 45190 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 673094-101 (Lockheed Martin Corp).

What NSN replaces 4820-00-399-5365?

There are 4 known substitutes for 4820-00-399-5365: 3825-00-491-3367, 1560-00-979-5215, 5120-01-358-2754 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45190-3?

Key specifications for 45190-3: First End Outside Diameter Tube Accommodated: 0.500 INCHES NOMINAL IN; Media for Which Designed: AIR; Body Style: STRAIGHT THRU; First End Connection Type: THREADED EXTERNAL TUBE. 25 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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