PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5615ASSYCSValve,check

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-045-5173 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-045-5173 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-045-5173. Primary manufacturer part number: 5615ASSYCS.
Features
  • Valve,check — FSC 4820
  • Flow Control Device: DISK
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Material: COPPER ALLOY BODY
  • Flange Face Design: PLAIN FIRST END
  • Material: COPPER ALLOY SEAT
  • Nominal Outside Diameter: 7.688 INCHES FIRST END IN
  • Valve Size: 4.000 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-045-5173, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-045-5173
Primary Part Number5615ASSYCS
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Flow Control DeviceDISK
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
MaterialCOPPER ALLOY BODY
Flange Face DesignPLAIN FIRST END
MaterialCOPPER ALLOY SEAT
Nominal Outside Diameter7.688 INCHES FIRST END IN
Valve Size4.000 INCHES IN
Style DesignatorSTRAIGHT THRU FLANGED ENDS
Nominal Thickness0.500 INCHES FIRST END IN
Flange ShapeROUND FIRST END
Valve Operation MethodAUTOMATIC
Face to Face Distance11.000 INCHES IN
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-058-76895615 4INCH INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
5615ASSYCS PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
5615ASSYCS National Oilwell (USA)
5615ASSYCS4IN National Oilwell (USA)
5615ASSYCS4IN Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-01-058-7689INTERCHANGEABLE
VALVE,CHECK
5615 4INCH

Frequently Asked Questions

What is NSN 4820-00-045-5173?

NSN 4820-00-045-5173 is a Valve,check, 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 4820-00-045-5173?

NSN 4820-00-045-5173 has 4 cross-referenced part numbers: 5615ASSYCS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 5615ASSYCS (National Oilwell), 5615ASSYCS4IN (National Oilwell), 5615ASSYCS4IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-00-045-5173?

There is 1 known substitute for 4820-00-045-5173: 4820-01-058-7689. Verify interchangeability with system specifications before substitution.

What are the specifications of 5615ASSYCS?

Key specifications for 5615ASSYCS: Flow Control Device: DISK; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Material: COPPER ALLOY BODY; Flange Face Design: PLAIN FIRST END. 14 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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