PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A36563Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-762-2860 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-762-2860 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-762-2860. Primary manufacturer part number: A36563.
Features
  • Valve,safety Relief — FSC 4820
  • Nominal Thickness: 0.812 INCHES SECOND END IN
  • Style Designator: ANGLE
  • Bolt Circle Nominal Diameter: 6.000 INCHES SECOND END IN
  • Nominal Outside Diameter: 7.562 INCHES SECOND END IN
  • Flange Face Design: PLAIN SECOND END
  • Connection Type: FLANGE FIRST END
  • Valve Operation Method: AUTOMATIC
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 4820-00-762-2860, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-762-2860
Primary Part NumberA36563
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Nominal Thickness0.812 INCHES SECOND END IN
Style DesignatorANGLE
Bolt Circle Nominal Diameter6.000 INCHES SECOND END IN
Nominal Outside Diameter7.562 INCHES SECOND END IN
Flange Face DesignPLAIN SECOND END
Connection TypeFLANGE FIRST END
Valve Operation MethodAUTOMATIC
Bolt Hole Nominal Diameter1.062 INCHES FIRST END IN
Flow Control DevicePOPPET
Flange ShapeROUND WITH HOLES SECOND END
Bolt Hole Quantity8 SECOND END
Flange Face DesignRECESSED STRAIGHT FIRST END
Valve Discharge Flow Rate14000.0 POUNDS PER HOUR LBS
MaterialSTEEL BODY
Nominal Outside Diameter7.000 INCHES FIRST END IN
Nominal Thickness1.250 INCHES FIRST END IN
Disk Loading MethodSPRING
Recess Nominal Depth0.187 INCHES FIRST END IN
Bolt Circle Nominal Diameter4.875 INCHES FIRST END IN
Flange ShapeROUND WITH HOLES FIRST END
MaterialSTEEL CORROSION RESISTING SEAT
Connection TypeFLANGE SECOND END
MaterialNICKEL ALLOY STEM
Bolt Hole Quantity4 FIRST END
Adjustable Pressure Range+1290.0 TO 1340.0 POUNDS PER SQUARE INCH LBS
Recess Nominal Diameter3.190 INCHES SECOND END IN
Bolt Hole Nominal Diameter1.187 INCHES SECOND END IN
Recess Nominal Diameter3.189 INCHES FIRST END IN
MaterialSTEEL AND STEEL CORROSION RESISTING FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-01-046-489055278 INTERCHANGEABLE
Restrictor,fluid Flow
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-702948621 INTERCHANGEABLE
Collar,spindle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-047-193847574 INTERCHANGEABLE
Cap,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
A36563 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4730-01-046-4890INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
55278
4820-01-046-7029INTERCHANGEABLE
COLLAR,SPINDLE,VALVE
48621
4820-01-047-1938INTERCHANGEABLE
CAP,VALVE
47574

Frequently Asked Questions

What is NSN 4820-00-762-2860?

NSN 4820-00-762-2860 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 4820-00-762-2860?

NSN 4820-00-762-2860 has 1 cross-referenced part number: A36563 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-00-762-2860?

There are 3 known substitutes for 4820-00-762-2860: 4730-01-046-4890, 4820-01-046-7029, 4820-01-047-1938. Verify interchangeability with system specifications before substitution.

What are the specifications of A36563?

Key specifications for A36563: Nominal Thickness: 0.812 INCHES SECOND END IN; Style Designator: ANGLE; Bolt Circle Nominal Diameter: 6.000 INCHES SECOND END IN; Nominal Outside Diameter: 7.562 INCHES SECOND END IN. 29 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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