PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20218-1-010-41M/CDS15957Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-139-1713 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-139-1713 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-139-1713. Primary manufacturer part number: 20218-1-010-41M/CDS15957.
Features
  • Valve,safety Relief — FSC 4820
  • Material: COPPER ALLOY BODY
  • Flow Control Device: DISK
  • Bonnet Type: INSIDE SCREW
  • Flange Face Design: RECESSED STRAIGHT SECOND END
  • Flange Shape: ROUND ALL ENDS
  • First Connection Face to Centerline Distance: 5.500 INCHES IN
  • Material: NICKEL ALLOY STEM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-139-1713, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-139-1713
Primary Part Number20218-1-010-41M/CDS15957
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
MaterialCOPPER ALLOY BODY
Flow Control DeviceDISK
Bonnet TypeINSIDE SCREW
Flange Face DesignRECESSED STRAIGHT SECOND END
Flange ShapeROUND ALL ENDS
First Connection Face to Centerline Distance5.500 INCHES IN
MaterialNICKEL ALLOY STEM
Adjustable Pressure Range+66.0 TO 75.0 POUNDS PER SQUARE INCH LBS
Style DesignatorANGLE FLANGED ENDS
Valve Size3.000 INCHES IN
MaterialNICKEL ALLOY SEAT
Second Connection Face to Centerline Distance6.000 INCHES IN
Connection TypeFLANGE ALL ENDS
Valve Operation MethodAUTOMATIC
Bonnet Attachment MethodBOLTED
Disk Loading MethodSPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-141-0742 INTERCHANGEABLE
Resistor,fixed,composition
2815-00-350-8812202181 INTERCHANGEABLE
Wiper
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
6685-00-924-228820W1001TH01BXUC30# INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
4820-01-097-675620218-1 FIND 32 INTERCHANGEABLE
Seat Wrench,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
BAMHH05MKK Danco Valve Company (USA)
20218-1-010-41M/CDS15957 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20218-1-010-41M Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20218-010-41M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20218-1-010-41M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20218-1 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
BAMHH05MKK Dante Valve Company (USA)
20218-1-010-41M/CDS15957 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5905-00-141-0742INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
2815-00-350-8812INTERCHANGEABLE
WIPER
202181
6685-00-924-2288INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
20W1001TH01BXUC30#
4820-01-097-6756INTERCHANGEABLE
SEAT WRENCH,VALVE
20218-1 FIND 32

Frequently Asked Questions

What is NSN 4820-01-139-1713?

NSN 4820-01-139-1713 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 4820-01-139-1713?

NSN 4820-01-139-1713 has 8 cross-referenced part numbers: BAMHH05MKK (Danco Valve Company), 20218-1-010-41M/CDS15957 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20218-1-010-41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20218-010-41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20218-1-010-41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 3 more.

What NSN replaces 4820-01-139-1713?

There are 4 known substitutes for 4820-01-139-1713: 5905-00-141-0742, 2815-00-350-8812, 6685-00-924-2288 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20218-1-010-41M/CDS15957?

Key specifications for 20218-1-010-41M/CDS15957: Material: COPPER ALLOY BODY; Flow Control Device: DISK; Bonnet Type: INSIDE SCREW; Flange Face Design: RECESSED STRAIGHT SECOND END. 17 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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