PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20241L41SSValve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-217-4708 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-217-4708 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-217-4708. Primary manufacturer part number: 20241L41SS.
Features
  • Valve,safety Relief — FSC 4820
  • Disk Loading Method: SPRING
  • Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Second Connection Face to Centerline Distance: 4.844 INCHES IN
  • Bolt Hole Quantity: 4 ALL ENDS
  • Valve Operation Method: AUTOMATIC
  • Nominal Outside Diameter: 5.000 INCHES ALL ENDS IN
  • Material: STEEL OVERALL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-217-4708, 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 22 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-217-4708
Primary Part Number20241L41SS
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Disk Loading MethodSPRING
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Second Connection Face to Centerline Distance4.844 INCHES IN
Bolt Hole Quantity4 ALL ENDS
Valve Operation MethodAUTOMATIC
Nominal Outside Diameter5.000 INCHES ALL ENDS IN
MaterialSTEEL OVERALL
Flange Face DesignRAISED STRAIGHT ALL ENDS
Adjustable Pressure Range+76.0 TO 90.0 POUNDS PER SQUARE INCH LBS
Operating Pressure225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Raised Face Nominal Diameter2.875 INCHES ALL ENDS IN
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Bolt Hole Nominal Diameter0.625 INCHES ALL ENDS IN
Style DesignatorANGLE FLANGED ENDS
Valve Size1.500 INCHES IN
Flow Control DeviceDISK
Connection TypeFLANGE ALL ENDS
Flange ShapeROUND WITH HOLES ALL ENDS
First Connection Face to Centerline Distance4.844 INCHES IN
Raised Face Nominal Height0.062 INCHES ALL ENDS IN
Bolt Circle Nominal Diameter3.875 INCHES ALL ENDS IN
Nominal Thickness0.562 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4720-00-030-633628330P INTERCHANGEABLE
Hose Assembly,nonmetallic
Alliance Laundry Systems Llc
5910-00-082-4624 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
4810-00-287-325120241 INTERCHANGEABLE
Seat,valve
Steris Corporation Dba Steris Applied Sterilization Technololgies
5365-00-468-0011 INTERCHANGEABLE
Plug,machine Thread
5962-01-098-463020241 INTERCHANGEABLE
Microcircuit,digital
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
3040-01-115-959670400-01250-054 INTERCHANGEABLE
Connecting Link,rigid
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
4820-01-120-833906792072156 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4810-01-240-004920241 INTERCHANGEABLE
Piston,valve
Pneudraulics, Inc.
5995-01-250-6452S2024-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Volex Inc
3455-01-387-9429N88579 INTERCHANGEABLE
Cutter,milling,end
Seco Tools, Llc Dba Seco
Cross-Reference Index
Part NumberManufacturer
20241 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20241L41SS Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20241L41SS PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4720-00-030-6336INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
28330P
5910-00-082-4624INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
4810-00-287-3251INTERCHANGEABLE
SEAT,VALVE
20241
5365-00-468-0011INTERCHANGEABLE
PLUG,MACHINE THREAD
5962-01-098-4630INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
20241
3040-01-115-9596INTERCHANGEABLE
CONNECTING LINK,RIGID
70400-01250-054
4820-01-120-8339INTERCHANGEABLE
STEM,FLUID VALVE
06792072156
4810-01-240-0049INTERCHANGEABLE
PISTON,VALVE
20241
5995-01-250-6452INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
S2024-1
3455-01-387-9429INTERCHANGEABLE
CUTTER,MILLING,END
N88579

Frequently Asked Questions

What is NSN 4820-01-217-4708?

NSN 4820-01-217-4708 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 4820-01-217-4708?

NSN 4820-01-217-4708 has 3 cross-referenced part numbers: 20241 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20241L41SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20241L41SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-217-4708?

There are 10 known substitutes for 4820-01-217-4708: 4720-00-030-6336, 5910-00-082-4624, 4810-00-287-3251 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20241L41SS?

Key specifications for 20241L41SS: Disk Loading Method: SPRING; Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Second Connection Face to Centerline Distance: 4.844 INCHES IN; Bolt Hole Quantity: 4 ALL ENDS. 23 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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