PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68039008Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-434-5487 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-434-5487 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-434-5487. Primary manufacturer part number: 68039008.
Features
  • Valve,safety Relief — FSC 4820
  • Bolt Hole Quantity: 8 ALL ENDS
  • Flange Face Design: RAISED STRAIGHT ALL ENDS
  • Nominal Thickness: 1.312 INCHES SECOND END IN
  • Valve Size: 6.000 INCHES IN
  • Bolt Circle Nominal Diameter: 9.500 INCHES FIRST END IN
  • Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
  • Material: STEEL CORROSION RESISTING SEAT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Flow Control Device construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-434-5487, 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 5 commercial cross-references 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
NSN4820-01-434-5487
Primary Part Number68039008
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Bolt Hole Quantity8 ALL ENDS
Flange Face DesignRAISED STRAIGHT ALL ENDS
Nominal Thickness1.312 INCHES SECOND END IN
Valve Size6.000 INCHES IN
Bolt Circle Nominal Diameter9.500 INCHES FIRST END IN
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MaterialSTEEL CORROSION RESISTING SEAT
Operating Pressure185.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Bolt Circle Nominal Diameter7.500 INCHES SECOND END IN
Opening Pressure Setting130.0 POUNDS PER SQUARE INCH LBS
Nominal Outside Diameter9.000 INCHES SECOND END IN
First Connection Face to Centerline Distance7.750 INCHES IN
Bolt Hole Nominal Diameter0.750 INCHES SECOND END IN
MaterialSTEEL BODY
Raised Face Nominal Diameter6.188 INCHES SECOND END IN
Style DesignatorANGLE FLANGED ENDS
Raised Face Nominal Height0.062 INCHES ALL ENDS IN
Raised Face Nominal Diameter8.500 INCHES FIRST END IN
MaterialSTEEL CORROSION RESISTING STEM
Maximum Operating Temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeFLANGE ALL ENDS
Flow Control DeviceDISK
Nominal Outside Diameter11.000 INCHES FIRST END IN
Bolt Hole Nominal Diameter0.875 INCHES FIRST END IN
Disk Loading MethodSPRING
Nominal Thickness1.000 INCHES FIRST END IN
Second Connection Face to Centerline Distance8.250 INCHES IN
Flange ShapeROUND WITH HOLES ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-434-5337107146 INTERCHANGEABLE
Nozzle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-434-5339107130 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-434-5480S65565 INTERCHANGEABLE
Retainer,disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
68039008 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
4N6 JLT-JOS-15-D 110T143PSI Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
4.0XNX6.0JLT-JOS-15-D/68039008 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
JLT-JOS 0400N 060015D Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
DS-G-66476 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-01-434-5337INTERCHANGEABLE
NOZZLE,VALVE
107146
4820-01-434-5339INTERCHANGEABLE
DISK,VALVE
107130
4820-01-434-5480INTERCHANGEABLE
RETAINER,DISK,VALVE
S65565

Frequently Asked Questions

What is NSN 4820-01-434-5487?

NSN 4820-01-434-5487 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 4820-01-434-5487?

NSN 4820-01-434-5487 has 5 cross-referenced part numbers: 68039008 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 4N6 JLT-JOS-15-D 110T143PSI (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 4.0XNX6.0JLT-JOS-15-D/68039008 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), JLT-JOS 0400N 060015D (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), DS-G-66476 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-434-5487?

There are 3 known substitutes for 4820-01-434-5487: 4820-01-434-5337, 4820-01-434-5339, 4820-01-434-5480. Verify interchangeability with system specifications before substitution.

What are the specifications of 68039008?

Key specifications for 68039008: Bolt Hole Quantity: 8 ALL ENDS; Flange Face Design: RAISED STRAIGHT ALL ENDS; Nominal Thickness: 1.312 INCHES SECOND END IN; Valve Size: 6.000 INCHES IN. 30 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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