PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2020502H0125Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-522-9558 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-522-9558 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-522-9558. Primary manufacturer part number: 2020502H0125.
Features
  • Valve,safety Relief — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-522-9558, 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. 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
NSN4820-01-522-9558
Primary Part Number2020502H0125
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4310-00-168-8721 INTERCHANGEABLE
Guard,valve
3020-00-221-877720205 INTERCHANGEABLE
Gear Assembly
Danfoss Inc
5120-00-240-5219EX-5 INTERCHANGEABLE
Extractor,screw
Stanley Tools Div of Stanley Works
5110-00-245-30155110-00-245-3015 INTERCHANGEABLE
File,hand
General Services Administration Federal Supply Service
4810-00-622-3396 INTERCHANGEABLE
Body,valve
4720-00-845-514120005 INTERCHANGEABLE
Hose Assembly,nonmetallic
Fwd Seagrave Holdings Lp
5360-01-065-0894MNM12488016292 INTERCHANGEABLE
Spring,helical,compression
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5961-01-072-0301 INTERCHANGEABLE
Semiconductor Device,diode
4820-01-127-38452020501H0136 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-151-25742020501641M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
2020502H0125 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20205 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20205 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
2020501741M Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4310-00-168-8721INTERCHANGEABLE
GUARD,VALVE
3020-00-221-8777INTERCHANGEABLE
GEAR ASSEMBLY
20205
5120-00-240-5219INTERCHANGEABLE
EXTRACTOR,SCREW
EX-5
5110-00-245-3015INTERCHANGEABLE
FILE,HAND
5110-00-245-3015
4810-00-622-3396INTERCHANGEABLE
BODY,VALVE
4720-00-845-5141INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
20005
5360-01-065-0894INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
MNM12488016292
5961-01-072-0301INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4820-01-127-3845INTERCHANGEABLE
VALVE,SAFETY RELIEF
2020501H0136
4820-01-151-2574INTERCHANGEABLE
VALVE,SAFETY RELIEF
2020501641M
3020-01-264-9234INTERCHANGEABLE
GEAR,DRIVE MOTION
20205
2030-01-650-9754INTERCHANGEABLE
TILLER,BOAT
20205

Frequently Asked Questions

What is NSN 4820-01-522-9558?

NSN 4820-01-522-9558 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 4820-01-522-9558?

NSN 4820-01-522-9558 has 4 cross-referenced part numbers: 2020502H0125 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20205 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20205 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 2020501741M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-522-9558?

There are 12 known substitutes for 4820-01-522-9558: 4310-00-168-8721, 3020-00-221-8777, 5120-00-240-5219 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2020502H0125?

Key specifications for 2020502H0125: Part Name Assigned by Controlling Agency: SAFETY RELIEF VALVE. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com