PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2013901S0166Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-149-3323 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-149-3323 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-149-3323. Primary manufacturer part number: 2013901S0166.
Features
  • Valve,safety Relief — FSC 4820
  • Bonnet Type: INSIDE SPRING
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Raised Face Nominal Diameter: 8.500 INCHES FIRST END IN
  • Raised Face Nominal Height: 0.062 INCHES FIRST END IN
  • Nominal Outside Diameter: 9.000 INCHES SECOND END IN
  • Style Designator: ANGLE FLANGED ENDS
  • Material Document and Classification: AISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-149-3323, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN4820-01-149-3323
Primary Part Number2013901S0166
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Bonnet TypeINSIDE SPRING
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Raised Face Nominal Diameter8.500 INCHES FIRST END IN
Raised Face Nominal Height0.062 INCHES FIRST END IN
Nominal Outside Diameter9.000 INCHES SECOND END IN
Style DesignatorANGLE FLANGED ENDS
Material Document and ClassificationAISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM
Nominal Thickness0.938 INCHES SECOND END IN
Flange Face DesignPLAIN SECOND END
Adjustable Pressure Range+166.0 TO 183.0 POUNDS PER SQUARE INCH LBS
Flange ShapeROUND FIRST END
Nominal Thickness1.000 INCHES FIRST END IN
Material Document and ClassificationASTM A276,TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Material Document and ClassificationASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
Nominal Outside Diameter11.000 INCHES FIRST END IN
MaterialSTEEL BODY
Flange ShapeROUND SECOND END
Connection TypeFLANGE SECOND END
Flow Control DeviceDISK
First Connection Face to Centerline Distance9.094 INCHES IN
Second Connection Face to Centerline Distance7.125 INCHES IN
Connection TypeFLANGE FIRST END
Flange Face DesignRAISED STRAIGHT FIRST END
MaterialSTEEL COMP 304 FLOW CONTROL DEVICE
Valve Size4.000 INCHES IN
MaterialSTEEL COMP 416 STEM
Bonnet Attachment MethodBOLTED
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-166-140620-58 INTERCHANGEABLE
Bolt,carriage
Motorola Automotive Electronics
5133-00-412-1747 INTERCHANGEABLE
Drill,twist
5905-00-488-2793 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5998-01-034-408420139 INTERCHANGEABLE
Circuit Card Assembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5331-01-092-2041 INTERCHANGEABLE
O-Ring
4820-01-143-13825115PA240009-184-202PSI (20139) INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5360-01-181-739020139 INTERCHANGEABLE
Spring,helical,compression
Unipress Corporation
4920-01-299-028220139 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
4820-01-557-934620139,5115PA240009,38T45PSI INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5331-01-670-54432-0139 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
2013901S0166 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20139J01S0166 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
5115PA240009-16 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
5115PA240009-166- TO 183PSI PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20139J01S0166 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20139 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
5115PA240009-166 TO 183PSI Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5306-00-166-1406INTERCHANGEABLE
BOLT,CARRIAGE
20-58
5133-00-412-1747INTERCHANGEABLE
DRILL,TWIST
5905-00-488-2793INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5998-01-034-4084INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20139
5331-01-092-2041INTERCHANGEABLE
O-RING
4820-01-143-1382INTERCHANGEABLE
VALVE,SAFETY RELIEF
5115PA240009-184-202PSI (20139)
5360-01-181-7390INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20139
4920-01-299-0282INTERCHANGEABLE
TEST PROGRAM SET
20139
4820-01-557-9346INTERCHANGEABLE
VALVE,SAFETY RELIEF
20139,5115PA240009,38T45PSI
5331-01-670-5443INTERCHANGEABLE
O-RING
2-0139
5306-01-706-1330INTERCHANGEABLE
BOLT,MACHINE
34-677
4310-01-706-5083INTERCHANGEABLE
CYLINDER SLEEVE
363-A7038

Frequently Asked Questions

What is NSN 4820-01-149-3323?

NSN 4820-01-149-3323 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 4820-01-149-3323?

NSN 4820-01-149-3323 has 7 cross-referenced part numbers: 2013901S0166 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20139J01S0166 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 5115PA240009-16 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 5115PA240009-166- TO 183PSI (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20139J01S0166 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 2 more.

What NSN replaces 4820-01-149-3323?

There are 12 known substitutes for 4820-01-149-3323: 5306-00-166-1406, 5133-00-412-1747, 5905-00-488-2793 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2013901S0166?

Key specifications for 2013901S0166: Bonnet Type: INSIDE SPRING; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Raised Face Nominal Diameter: 8.500 INCHES FIRST END IN; Raised Face Nominal Height: 0.062 INCHES FIRST END IN. 28 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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