PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20219FS 41 MValve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-323-5066 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-323-5066 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-323-5066. Primary manufacturer part number: 20219FS 41 M.
Features
  • Valve,safety Relief — FSC 4820
  • Valve Operation Method: AUTOMATIC
  • Flange Shape: ROUND ALL ENDS
  • Flow Control Device: DISK
  • Second Connection Face to Centerline Distance: 4.750 INCHES IN
  • Media for Which Designed: LIQUID SINGLE RESPONSE
  • Nominal Thickness: 0.437 INCHES ALL ENDS IN
  • Specification/standard Data: 81349-MIL-V-24332 GOVERNMENT SPECIFICATION
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Stem construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-323-5066, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN4820-01-323-5066
Primary Part Number20219FS 41 M
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Valve Operation MethodAUTOMATIC
Flange ShapeROUND ALL ENDS
Flow Control DeviceDISK
Second Connection Face to Centerline Distance4.750 INCHES IN
Media for Which DesignedLIQUID SINGLE RESPONSE
Nominal Thickness0.437 INCHES ALL ENDS IN
Specification/standard Data81349-MIL-V-24332 GOVERNMENT SPECIFICATION
Nominal Outside Diameter2.375 INCHES ALL ENDS IN
Style DesignatorANGLE FLANGED ENDS
Nondefinitive Spec/std DataB GRADE
Flange Face DesignPLAIN ALL ENDS
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialNICKEL ALLOY STEM
Material Document and ClassificationASTMB-164 ASSN STD SINGLE MATERIAL RESPONSE STEM
Disk Loading MethodSPRING
First Connection Face to Centerline Distance4.750 INCHES IN
Connection TypeFLANGE ALL ENDS
Material Document and ClassificationASTMB-164 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Valve Size2.000 INCHES IN
Material Document and ClassificationASTMB-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Adjustable Pressure Range+30.0 TO 34.0 POUNDS PER SQUARE INCH LBS
MaterialBRONZE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-017-615020219 INTERCHANGEABLE
Pin,straight,headless
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3110-00-156-74421B6574 INTERCHANGEABLE
Bearing,ball,annular
Caterpillar Inc Div Caterpillar Defense
5910-00-667-5249 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5120-00-956-0947 INTERCHANGEABLE
Handle,vise,vulcan
2910-01-005-510820219 INTERCHANGEABLE
Arm,fuel Injection Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4820-01-126-5321BAMGG05SHH INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
6550-01-139-748020210 INTERCHANGEABLE
Test Kit,yeast Identification
Biomerieux Inc
3510-01-146-6925 INTERCHANGEABLE
Clutch Drive Assembly
5961-01-169-4686 INTERCHANGEABLE
Semiconductor Device,diode
4820-01-187-110320219NS41M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-24332 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
20219FS 41 M PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
MIL-V-24332 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
20219FS 41 M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20219 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5315-00-017-6150INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
20219
3110-00-156-7442INTERCHANGEABLE
BEARING,BALL,ANNULAR
1B6574
5910-00-667-5249INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5120-00-956-0947INTERCHANGEABLE
HANDLE,VISE,VULCAN
2910-01-005-5108INTERCHANGEABLE
ARM,FUEL INJECTION PUMP
20219
4820-01-126-5321INTERCHANGEABLE
VALVE,SAFETY RELIEF
BAMGG05SHH
6550-01-139-7480INTERCHANGEABLE
TEST KIT,YEAST IDENTIFICATION
20210
3510-01-146-6925INTERCHANGEABLE
CLUTCH DRIVE ASSEMBLY
5961-01-169-4686INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4820-01-187-1103INTERCHANGEABLE
VALVE,SAFETY RELIEF
20219NS41M
5360-01-249-0609INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20219
4820-01-438-6552INTERCHANGEABLE
VALVE,SAFETY RELIEF
20219PS41M

Frequently Asked Questions

What is NSN 4820-01-323-5066?

NSN 4820-01-323-5066 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 4820-01-323-5066?

NSN 4820-01-323-5066 has 5 cross-referenced part numbers: MIL-DTL-24332 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20219FS 41 M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), MIL-V-24332 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20219FS 41 M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20219 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-323-5066?

There are 12 known substitutes for 4820-01-323-5066: 5315-00-017-6150, 3110-00-156-7442, 5910-00-667-5249 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20219FS 41 M?

Key specifications for 20219FS 41 M: Valve Operation Method: AUTOMATIC; Flange Shape: ROUND ALL ENDS; Flow Control Device: DISK; Second Connection Face to Centerline Distance: 4.750 INCHES IN. 24 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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