PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

810-4384536-73AValve,angle

Naval Ship Systems Command · NSN 4820-00-495-6234 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-495-6234 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-495-6234. Primary manufacturer part number: 810-4384536-73A.
Features
  • Valve,angle — FSC 4820
  • Material: NICKEL ALLOY STEMNICKEL ALLOY FLOW CONTROL DEVICE
  • Material: NICKEL ALLOY SEATCOPPER ALLOY 922 BODY
  • Renewable Seat Ring Type: THREADEDTHREADED
  • Thread Series Designator: NPT ALL ENDS
  • Nominal Thread Size: 1.500 INCHES ALL ENDS1.500 INCHES ALL ENDS IN
  • Flow Control Device: DISKDISK
  • Test Data Document: 03950-882003404 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Stemnickel Alloy Flow Control Device construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-495-6234, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-495-6234
Primary Part Number810-4384536-73A
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
MaterialNICKEL ALLOY STEMNICKEL ALLOY FLOW CONTROL DEVICE
MaterialNICKEL ALLOY SEATCOPPER ALLOY 922 BODY
Renewable Seat Ring TypeTHREADEDTHREADED
Thread Series DesignatorNPT ALL ENDS
Nominal Thread Size1.500 INCHES ALL ENDS1.500 INCHES ALL ENDS IN
Flow Control DeviceDISKDISK
Test Data Document03950-882003404 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MaterialRUBBER PACKINGNICKEL ALLOY STEM
Connection StylePLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
Bonnet Attachment MethodTHREADEDTHREADED
Connection TypeTHREADED EXTERNAL PIPE ALL ENDSTHREADED EXTERNAL PIPE ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
Bonnet TypeINSIDE SCREWINSIDE SCREW
Style DesignatorANGLE
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
MaterialNICKEL ALLOY FLOW CONTROL DEVICENICKEL ALLOY SEAT
Valve Operation MethodMANUALMANUAL
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialRUBBER PACKING
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3110-00-144-8663 INTERCHANGEABLE
Bearing,ball,annular
5305-00-207-786118157 INTERCHANGEABLE
Screw,cap,hexagon Head
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
5330-00-290-78591815700 INTERCHANGEABLE
Gasket
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
5306-00-510-4997 INTERCHANGEABLE
Bolt
5905-00-821-4212 INTERCHANGEABLE
Resistor Assembly
5945-00-938-5393 INTERCHANGEABLE
Solenoid,electrical
5950-01-035-886418157 INTERCHANGEABLE
Transformer,power
Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems
5305-01-470-6967NW31398 INTERCHANGEABLE
Screw,cap,hexagon Head
Tld Wollard Llc
5340-01-590-909018157 INTERCHANGEABLE
Standoff,threaded,spacing
Vicor Corp Dba Vicorpowercom
Cross-Reference Index
Part NumberManufacturer
810-4384536 Naval Ship Systems Command (USA)
18-157 Powhatan Mining Co (USA)
810-1385722 Naval Ship Systems Command (USA)
803-4384536-73A Naval Sea Systems Command (USA)
810-4384536-73A PRIMARY Naval Ship Systems Command (USA)
Related Parts
3110-00-144-8663INTERCHANGEABLE
BEARING,BALL,ANNULAR
5305-00-207-7861INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
18157
5330-00-290-7859INTERCHANGEABLE
GASKET
1815700
5306-00-510-4997INTERCHANGEABLE
BOLT
5905-00-821-4212INTERCHANGEABLE
RESISTOR ASSEMBLY
5945-00-938-5393INTERCHANGEABLE
SOLENOID,ELECTRICAL
5950-01-035-8864INTERCHANGEABLE
TRANSFORMER,POWER
18157
5305-01-470-6967INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
NW31398
5340-01-590-9090INTERCHANGEABLE
STANDOFF,THREADED,SPACING
18157

Frequently Asked Questions

What is NSN 4820-00-495-6234?

NSN 4820-00-495-6234 is a Valve,angle, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-495-6234?

NSN 4820-00-495-6234 has 5 cross-referenced part numbers: 810-4384536 (Naval Ship Systems Command), 18-157 (Powhatan Mining Co), 810-1385722 (Naval Ship Systems Command), 803-4384536-73A (Naval Sea Systems Command), 810-4384536-73A (Naval Ship Systems Command).

What NSN replaces 4820-00-495-6234?

There are 9 known substitutes for 4820-00-495-6234: 3110-00-144-8663, 5305-00-207-7861, 5330-00-290-7859 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 810-4384536-73A?

Key specifications for 810-4384536-73A: Material: NICKEL ALLOY STEMNICKEL ALLOY FLOW CONTROL DEVICE; Material: NICKEL ALLOY SEATCOPPER ALLOY 922 BODY; Renewable Seat Ring Type: THREADEDTHREADED; Thread Series Designator: NPT ALL ENDS. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-495-6234 still in active supply?

NSN 4820-00-495-6234 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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