PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R83-205-NNEAValve,regulating,fluid Pressure

Norgren C a Co · NSN 4820-01-356-0784 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-356-0784 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-356-0784. Primary manufacturer part number: R83-205-NNEA.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: COPPER ALLOY BODY
  • Filter: NOT INCLUDED
  • Body Style: ANGLE
  • Flow Control Device: DISK
  • Remote Actuation Method: DIAPHRAGM
  • Maximum Inlet Pressure Rating: ERR-060
  • End Connection Quantity: 2
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 4820-01-356-0784, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Norgren C a Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-356-0784
Primary Part NumberR83-205-NNEA
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorgren C a Co
StatusACTIVE
MaterialCOPPER ALLOY BODY
FilterNOT INCLUDED
Body StyleANGLE
Flow Control DeviceDISK
Remote Actuation MethodDIAPHRAGM
Maximum Inlet Pressure RatingERR-060
End Connection Quantity2
Mounting FacilityBOLTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-270-4698 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
333588P01 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA)
333588 Meggitt Defense Systems, Inc. Dba Meggitt Western Design (USA)
333588P01 Howden Fluid Systems (USA)
333588P01 Meggitt Defense Systems, Inc. Dba Meggitt Western Design (USA)
R83-205-NNEA PRIMARY Norgren C a Co (USA)
333588 Howden Fluid Systems (USA)
Related Parts
6240-00-270-4698INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 4820-01-356-0784?

NSN 4820-01-356-0784 is a Valve,regulating,fluid Pressure, manufactured by Norgren C a Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-356-0784?

NSN 4820-01-356-0784 has 6 cross-referenced part numbers: 333588P01 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc), 333588 (Meggitt Defense Systems, Inc. Dba Meggitt Western Design), 333588P01 (Howden Fluid Systems), 333588P01 (Meggitt Defense Systems, Inc. Dba Meggitt Western Design), R83-205-NNEA (Norgren C a Co) and 1 more.

What NSN replaces 4820-01-356-0784?

There is 1 known substitute for 4820-01-356-0784: 6240-00-270-4698. Verify interchangeability with system specifications before substitution.

What are the specifications of R83-205-NNEA?

Key specifications for R83-205-NNEA: Material: COPPER ALLOY BODY; Filter: NOT INCLUDED; Body Style: ANGLE; Flow Control Device: DISK. 8 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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