PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1 1/2 H 3 JOS 15-CValve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-432-2560 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-432-2560 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-432-2560. Primary manufacturer part number: 1 1/2 H 3 JOS 15-C.
Features
  • Valve,safety Relief — FSC 4820
  • First Connection Face to Centerline Distance: 5.125 INCHES IN
  • Material: STEEL CORROSION RESISTING BODY
  • Bolt Hole Quantity: 4 ALL ENDS
  • Valve Operation Method: AUTOMATIC
  • Connection Type: FLANGE ALL ENDS
  • Bolt Circle Nominal Diameter: 3.880 INCHES FIRST END IN
  • Raised Face Nominal Height: 0.062 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-432-2560, 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 3 commercial cross-references from 1 manufacturer, 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
NSN4820-01-432-2560
Primary Part Number1 1/2 H 3 JOS 15-C
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
First Connection Face to Centerline Distance5.125 INCHES IN
MaterialSTEEL CORROSION RESISTING BODY
Bolt Hole Quantity4 ALL ENDS
Valve Operation MethodAUTOMATIC
Connection TypeFLANGE ALL ENDS
Bolt Circle Nominal Diameter3.880 INCHES FIRST END IN
Raised Face Nominal Height0.062 INCHES ALL ENDS IN
Raised Face Nominal Diameter5.000 INCHES SECOND END IN
Second Connection Face to Centerline Distance4.875 INCHES IN
Operating Pressure285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Flange Face DesignRAISED STRAIGHT ALL ENDS
Bolt Circle Nominal Diameter6.000 INCHES SECOND END IN
MaterialSTEEL COMP 316 FLOW CONTROL DEVICE
Material Document and ClassificationASME SA216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
Bolt Hole Nominal Diameter0.750 INCHES SECOND END IN
MaterialSTEEL CORROSION RESISTING STEM
Material Document and ClassificationASME SA479, TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Bolt Hole Nominal Diameter0.620 INCHES FIRST END IN
Bonnet Attachment MethodBOLTED
Nominal Outside Diameter5.000 INCHES FIRST END IN
Valve Size3.000 INCHES IN
Bonnet TypeINSIDE SPRING
Flange ShapeROUND WITH HOLES ALL ENDS
Nominal Thickness0.940 INCHES SECOND END IN
Raised Face Nominal Diameter2.880 INCHES FIRST END IN
Flow Control DeviceDISK
Nominal Thickness0.690 INCHES FIRST END IN
Nominal Outside Diameter7.500 INCHES SECOND END IN
Maximum Operating Temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-426-7007DS-G-63177 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-431-9429104118 INTERCHANGEABLE
Retainer,disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-432-2508102701 INTERCHANGEABLE
Nozzle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-432-2509S59527 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-432-2519104141 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-432-2521103359 INTERCHANGEABLE
Guide,valve Stem
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-432-2561104116 INTERCHANGEABLE
Cap,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-432-4762X06072/102713 INTERCHANGEABLE
Parts Kit,safety Relief Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-433-819561348000 233 PSI INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-433-820561303006 46 PSI INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
DS-G-63177 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
1 1/2 H 3 JOS 15-C PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
61348000-DS-G-63177 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-01-426-7007INTERCHANGEABLE
VALVE,SAFETY RELIEF
DS-G-63177
4820-01-431-9429INTERCHANGEABLE
RETAINER,DISK,VALVE
104118
4820-01-432-2508INTERCHANGEABLE
NOZZLE,VALVE
102701
4820-01-432-2509INTERCHANGEABLE
STEM,FLUID VALVE
S59527
4820-01-432-2519INTERCHANGEABLE
DISK,VALVE
104141
4820-01-432-2521INTERCHANGEABLE
GUIDE,VALVE STEM
103359
4820-01-432-2561INTERCHANGEABLE
CAP,VALVE
104116
4820-01-432-4762INTERCHANGEABLE
PARTS KIT,SAFETY RELIEF VALVE
X06072/102713
4820-01-433-8195INTERCHANGEABLE
VALVE,SAFETY RELIEF
61348000 233 PSI
4820-01-433-8205INTERCHANGEABLE
VALVE,SAFETY RELIEF
61303006 46 PSI
4820-01-434-3226INTERCHANGEABLE
VALVE,SAFETY RELIEF
61348000 228 PSI
4820-01-434-3227INTERCHANGEABLE
VALVE,SAFETY RELIEF
61425028 27 PSI

Frequently Asked Questions

What is NSN 4820-01-432-2560?

NSN 4820-01-432-2560 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 4820-01-432-2560?

NSN 4820-01-432-2560 has 3 cross-referenced part numbers: DS-G-63177 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 1 1/2 H 3 JOS 15-C (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 61348000-DS-G-63177 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-432-2560?

There are 12 known substitutes for 4820-01-432-2560: 4820-01-426-7007, 4820-01-431-9429, 4820-01-432-2508 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1 1/2 H 3 JOS 15-C?

Key specifications for 1 1/2 H 3 JOS 15-C: First Connection Face to Centerline Distance: 5.125 INCHES IN; Material: STEEL CORROSION RESISTING BODY; Bolt Hole Quantity: 4 ALL ENDS; Valve Operation Method: AUTOMATIC. 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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