PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20092E03S0025Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-127-3843 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-127-3843 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-127-3843. Primary manufacturer part number: 20092E03S0025.
Features
  • Valve,safety Relief — FSC 4820
  • Media for Which Designed: WATER, FRESH SECOND RESPONSE
  • Style Designator: ANGLE
  • Connection Style: SOCKET (TUBE) ALL ENDS
  • Valve Operation Method: AUTOMATIC
  • Media for Which Designed: AIR FIRST RESPONSE
  • Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-127-3843, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 13 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-127-3843
Primary Part Number20092E03S0025
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Media for Which DesignedWATER, FRESH SECOND RESPONSE
Style DesignatorANGLE
Connection StyleSOCKET (TUBE) ALL ENDS
Valve Operation MethodAUTOMATIC
Media for Which DesignedAIR FIRST RESPONSE
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Adjustable Pressure Range+25.0 TO 29.0 POUNDS PER SQUARE INCH LBS
MaterialCOPPER ALLOY OVERALL
Flow Control DeviceDISK
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter Tube Accommodated0.410 INCHES FIRST END IN
Furnished Items and Quantity2 NUT AND 2 TAILPIECE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5210-00-132-5689 INTERCHANGEABLE
Gage,height
1075-00-383-82693134725B INTERCHANGEABLE
Eccentric
Naval Ship Systems Command
5365-00-448-47778524 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
3950-01-073-9906 INTERCHANGEABLE
Eye,lifting,cable D
4820-01-127-4013A6790.023.127 INTERCHANGEABLE
Stem,fluid Valve
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5930-01-431-78968524 INTERCHANGEABLE
Switch,flow
Edro Corporation, the Dba Edro Corp
5999-01-630-50178524 INTERCHANGEABLE
Shielding Gasket,electronic
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
E8524E41M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20092E03S0025 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
8524 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5210-00-132-5689INTERCHANGEABLE
GAGE,HEIGHT
1075-00-383-8269INTERCHANGEABLE
ECCENTRIC
3134725B
5365-00-448-4777INTERCHANGEABLE
SPACER,SLEEVE
8524
3950-01-073-9906INTERCHANGEABLE
EYE,LIFTING,CABLE D
4820-01-127-4013INTERCHANGEABLE
STEM,FLUID VALVE
A6790.023.127
5930-01-431-7896INTERCHANGEABLE
SWITCH,FLOW
8524
5999-01-630-5017INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
8524

Frequently Asked Questions

What is NSN 4820-01-127-3843?

NSN 4820-01-127-3843 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-127-3843?

NSN 4820-01-127-3843 has 3 cross-referenced part numbers: E8524E41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20092E03S0025 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8524 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-127-3843?

There are 7 known substitutes for 4820-01-127-3843: 5210-00-132-5689, 1075-00-383-8269, 5365-00-448-4777 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20092E03S0025?

Key specifications for 20092E03S0025: Media for Which Designed: WATER, FRESH SECOND RESPONSE; Style Designator: ANGLE; Connection Style: SOCKET (TUBE) ALL ENDS; Valve Operation Method: AUTOMATIC. 13 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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