PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8586 FIG 15A-F 4INValve,angle

William E Williams Valve Corp · NSN 4820-01-230-3499 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-230-3499 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-230-3499. Primary manufacturer part number: 8586 FIG 15A-F 4IN.
Features
  • Valve,angle — FSC 4820
  • Second Connection Face to Centerline Distance: 5.625 INCHES IN
  • Bolt Circle Nominal Diameter: 7.500 INCHES ALL ENDS IN
  • Style Designator: ANGLE FLANGED ENDS
  • Material: NICKEL ALLOY STEM
  • Bolt Hole Nominal Diameter: 0.750 INCHES ALL ENDS IN
  • Flange Face Design: PLAIN ALL ENDS
  • Nominal Outside Diameter: 9.000 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Stem construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-230-3499, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-230-3499
Primary Part Number8586 FIG 15A-F 4IN
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Second Connection Face to Centerline Distance5.625 INCHES IN
Bolt Circle Nominal Diameter7.500 INCHES ALL ENDS IN
Style DesignatorANGLE FLANGED ENDS
MaterialNICKEL ALLOY STEM
Bolt Hole Nominal Diameter0.750 INCHES ALL ENDS IN
Flange Face DesignPLAIN ALL ENDS
Nominal Outside Diameter9.000 INCHES ALL ENDS IN
Bolt Hole Quantity8 ALL ENDS
First Connection Face to Centerline Distance5.625 INCHES IN
Valve Size4.000 INCHES IN
MaterialNICKEL ALLOY SEAT
Bonnet TypeINSIDE SCREW
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Flow Control DeviceDISK
Flange ShapeROUND WITH HOLES ALL ENDS
MaterialCOPPER ALLOY BODY
Nominal Thickness0.750 INCHES ALL ENDS IN
Bonnet Attachment MethodBOLTED
Connection TypeFLANGE ALL ENDS
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5855-00-051-279210516484 INTERCHANGEABLE
Image Intensifier,night Vision
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5930-00-143-10118586 INTERCHANGEABLE
Switch,sensitive
Honeywell International Inc. Dba Honeyweel Sensing & Controls
5935-00-343-7614 INTERCHANGEABLE
Plug,tip
2930-00-844-7739463365C91 INTERCHANGEABLE
Pump,cooling System,engine
Dressta North America Ltd
3030-01-415-300015585 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
Cross-Reference Index
Part NumberManufacturer
8586 William E Williams Valve Corp (USA)
8586 FIG 15A-F 4IN PRIMARY William E Williams Valve Corp (USA)
Related Parts
5855-00-051-2792INTERCHANGEABLE
IMAGE INTENSIFIER,NIGHT VISION
10516484
5930-00-143-1011INTERCHANGEABLE
SWITCH,SENSITIVE
8586
5935-00-343-7614INTERCHANGEABLE
PLUG,TIP
2930-00-844-7739INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
463365C91
3030-01-415-3000INTERCHANGEABLE
BELT,V
15585

Frequently Asked Questions

What is NSN 4820-01-230-3499?

NSN 4820-01-230-3499 is a Valve,angle, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-230-3499?

NSN 4820-01-230-3499 has 2 cross-referenced part numbers: 8586 (William E Williams Valve Corp), 8586 FIG 15A-F 4IN (William E Williams Valve Corp).

What NSN replaces 4820-01-230-3499?

There are 5 known substitutes for 4820-01-230-3499: 5855-00-051-2792, 5930-00-143-1011, 5935-00-343-7614 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8586 FIG 15A-F 4IN?

Key specifications for 8586 FIG 15A-F 4IN: Second Connection Face to Centerline Distance: 5.625 INCHES IN; Bolt Circle Nominal Diameter: 7.500 INCHES ALL ENDS IN; Style Designator: ANGLE FLANGED ENDS; Material: NICKEL ALLOY STEM. 20 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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