PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61L (M39)Valve,regulating,fluid Pressure

Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · NSN 4820-01-394-3764 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-394-3764 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-394-3764. Primary manufacturer part number: 61L (M39).
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Third End Style Designator: PLAIN
  • End Connection Quantity: 3
  • Third End Connection Type: THREADED INTERNAL PIPE
  • Third End Relationship with Preceding Ends: NOT IDENTICAL WITH FIRST OR SECOND END
  • Thread Size and Series/type Designator: 1/4-18 NPT FIRST END
  • Second End Relationship with First End: NOT IDENTICAL
  • Flow Control Device: DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-394-3764, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-394-3764
Primary Part Number61L (M39)
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSiemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
StatusACTIVE
Third End Style DesignatorPLAIN
End Connection Quantity3
Third End Connection TypeTHREADED INTERNAL PIPE
Third End Relationship with Preceding EndsNOT IDENTICAL WITH FIRST OR SECOND END
Thread Size and Series/type Designator1/4-18 NPT FIRST END
Second End Relationship with First EndNOT IDENTICAL
Flow Control DeviceDISK
First End Thread DirectionRIGHT-HAND
Body StyleSTRAIGHT THRU
Third End Thread DirectionRIGHT-HAND
First End Style DesignatorPLAIN
First End Connection TypeTHREADED INTERNAL PIPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6105-00-740-775791268-15 INTERCHANGEABLE
Parts Kit,electric Motor
Kearfott Corporation Div Guidance and Navigation Division
4240-01-529-920972004/2 INTERCHANGEABLE
Breathing Apparatus
Avon Protection Systems Incorporated Dba Avon Protection Systems Inc
Cross-Reference Index
Part NumberManufacturer
7200-42 Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
61L (M39) PRIMARY Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
G1L M39 Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
Related Parts
6105-00-740-7757INTERCHANGEABLE
PARTS KIT,ELECTRIC MOTOR
91268-15
4240-01-529-9209INTERCHANGEABLE
BREATHING APPARATUS
72004/2

Frequently Asked Questions

What is NSN 4820-01-394-3764?

NSN 4820-01-394-3764 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 4820-01-394-3764?

NSN 4820-01-394-3764 has 3 cross-referenced part numbers: 7200-42 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 61L (M39) (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), G1L M39 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).

What NSN replaces 4820-01-394-3764?

There are 2 known substitutes for 4820-01-394-3764: 6105-00-740-7757, 4240-01-529-9209. Verify interchangeability with system specifications before substitution.

What are the specifications of 61L (M39)?

Key specifications for 61L (M39): Third End Style Designator: PLAIN; End Connection Quantity: 3; Third End Connection Type: THREADED INTERNAL PIPE; Third End Relationship with Preceding Ends: NOT IDENTICAL WITH FIRST OR SECOND END. 12 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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