PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41-30Valve,regulating,fluid Pressure

Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · NSN 4820-00-580-3011 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-580-3011 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-580-3011. Primary manufacturer part number: 41-30.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Thread Size and Series/type Designator: 1/8-27 NPT FIRST END
  • Material: COPPER ALLOY STEM
  • First End Thread Direction: RIGHT-HAND
  • Valve Loading Method: SPRING
  • Media for Which Designed: AIR
  • Second End Relationship with First End: IDENTICAL
  • Maximum Inlet Pressure Rating: ERR-060
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Stem construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-580-3011, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 15 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
NSN4820-00-580-3011
Primary Part Number41-30
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSiemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
StatusACTIVE
Thread Size and Series/type Designator1/8-27 NPT FIRST END
MaterialCOPPER ALLOY STEM
First End Thread DirectionRIGHT-HAND
Valve Loading MethodSPRING
Media for Which DesignedAIR
Second End Relationship with First EndIDENTICAL
Maximum Inlet Pressure RatingERR-060
Outlet Pressure Range0.0 TO 30.0 CAMERA MOUNT
First End Connection TypeTHREADED INTERNAL PIPE
Regulation TypeMANUAL SINGLE STAGE
FilterNOT INCLUDED
End Connection Quantity2
Body StyleSTRAIGHT THRU
MaterialCOPPER ALLOY BODY
Valve Stem DesignSINGLE SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3010-00-007-9622149-9-1 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
41-30 PRIMARY Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
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Frequently Asked Questions

What is NSN 4820-00-580-3011?

NSN 4820-00-580-3011 is a Valve,regulating,fluid Pressure, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-580-3011?

NSN 4820-00-580-3011 has 1 cross-referenced part number: 41-30 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).

What NSN replaces 4820-00-580-3011?

There are 12 known substitutes for 4820-00-580-3011: 3010-00-007-9622, 2540-00-113-4180, 5120-00-224-3164 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41-30?

Key specifications for 41-30: Thread Size and Series/type Designator: 1/8-27 NPT FIRST END; Material: COPPER ALLOY STEM; First End Thread Direction: RIGHT-HAND; Valve Loading Method: SPRING. 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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