PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20115J41MValve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-130-3603 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-130-3603 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-130-3603. Primary manufacturer part number: 20115J41M.
Features
  • Valve,safety Relief — FSC 4820
  • Nominal Outside Diameter: 4.250 INCHES ALL ENDS IN
  • Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM
  • Second Connection Face to Centerline Distance: 3.250 INCHES IN
  • Flange Face Design: PLAIN ALL ENDS
  • Material: NICKEL ALLOY SEAT
  • Material: COPPER ALLOY BODY
  • Valve Size: 1.000 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Seat construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-130-3603, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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
NSN4820-01-130-3603
Primary Part Number20115J41M
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Nominal Outside Diameter4.250 INCHES ALL ENDS IN
Material Document and ClassificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM
Second Connection Face to Centerline Distance3.250 INCHES IN
Flange Face DesignPLAIN ALL ENDS
MaterialNICKEL ALLOY SEAT
MaterialCOPPER ALLOY BODY
Valve Size1.000 INCHES IN
Connection TypeFLANGE ALL ENDS
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Material Document and ClassificationQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
Flow Control DeviceDISK
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Style DesignatorANGLE FLANGED ENDS
Nominal Thickness0.438 INCHES ALL ENDS IN
Flange ShapeROUND FIRST END
Adjustable Pressure Range+56.0 TO 65.0 POUNDS PER SQUARE INCH LBS
MaterialCOPPER ALLOY STEM
First Connection Face to Centerline Distance3.250 INCHES IN
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-043-26410312.250MXP INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
4730-00-061-53619123 INTERCHANGEABLE
Strainer Element,sediment
Vortox Company
5935-00-196-96999123 INTERCHANGEABLE
Connector,plug,electrical
Telemechanics Inc
5985-00-328-1685 INTERCHANGEABLE
Attenuator,fixed
4940-00-455-3128 INTERCHANGEABLE
Screen,spray Gun,pa
2540-00-810-4057 INTERCHANGEABLE
Leveling System
4820-01-058-51489123PC5A INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-058-5533B7544-001-130 INTERCHANGEABLE
Cap,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-131-591220115J51M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6350-01-155-2373320 INTERCHANGEABLE
Alarm,smoke,automatic
Electro Signal Lab Inc Sub of American District Telegraph Co
Cross-Reference Index
Part NumberManufacturer
20115J41M PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
9123 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20115J41M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
9123 100J41M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5920-00-043-2641INTERCHANGEABLE
FUSE,CARTRIDGE
0312.250MXP
4730-00-061-5361INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
9123
5935-00-196-9699INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9123
5985-00-328-1685INTERCHANGEABLE
ATTENUATOR,FIXED
4940-00-455-3128INTERCHANGEABLE
SCREEN,SPRAY GUN,PA
2540-00-810-4057INTERCHANGEABLE
LEVELING SYSTEM
4820-01-058-5148INTERCHANGEABLE
STEM,FLUID VALVE
9123PC5A
4820-01-058-5533INTERCHANGEABLE
CAP,VALVE
B7544-001-130
4820-01-131-5912INTERCHANGEABLE
VALVE,SAFETY RELIEF
20115J51M
6350-01-155-2373INTERCHANGEABLE
ALARM,SMOKE,AUTOMATIC
320
6515-01-166-3516INTERCHANGEABLE
SEAL,FORCEP
9123
5310-01-172-2574INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
9123

Frequently Asked Questions

What is NSN 4820-01-130-3603?

NSN 4820-01-130-3603 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 4820-01-130-3603?

NSN 4820-01-130-3603 has 4 cross-referenced part numbers: 20115J41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 9123 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20115J41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9123 100J41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-130-3603?

There are 12 known substitutes for 4820-01-130-3603: 5920-00-043-2641, 4730-00-061-5361, 5935-00-196-9699 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20115J41M?

Key specifications for 20115J41M: Nominal Outside Diameter: 4.250 INCHES ALL ENDS IN; Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM; Second Connection Face to Centerline Distance: 3.250 INCHES IN; Flange Face Design: PLAIN ALL ENDS. 20 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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