PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8021713 1 1/2INValve,angle

Pentair Valves & Controls Us Lp Div Pentair Flow Control · NSN 4820-00-287-4595 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-4595 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-4595. Primary manufacturer part number: 8021713 1 1/2IN.
Features
  • Valve,angle — FSC 4820
  • Material: STEEL COMP 1010 BODY
  • Valve Size: 1.500 INCHES IN
  • Flow Control Device: DISK
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Nominal Thickness: 0.875 INCHES ALL ENDS IN
  • Material: COBALT ALLOY SEAT
  • Raised Face Nominal Diameter: 2.875 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 1010 Body construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-287-4595, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pentair Valves & Controls Us Lp Div Pentair Flow Control. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-287-4595
Primary Part Number8021713 1 1/2IN
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPentair Valves & Controls Us Lp Div Pentair Flow Control
StatusCANCELLED
MaterialSTEEL COMP 1010 BODY
Valve Size1.500 INCHES IN
Flow Control DeviceDISK
Media for Which DesignedSTEAM SINGLE RESPONSE
Nominal Thickness0.875 INCHES ALL ENDS IN
MaterialCOBALT ALLOY SEAT
Raised Face Nominal Diameter2.875 INCHES ALL ENDS IN
Bonnet TypeOUTSIDE SCREW-YOKE
Flange ShapeROUND WITH HOLES ALL ENDS
Flange Face DesignRAISED STRAIGHT ALL ENDS
First Connection Face to Centerline Distance4.750 INCHES IN
Raised Face Nominal Height0.250 INCHES ALL ENDS IN
Features ProvidedBONNET PACKING
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorANGLE FLANGED ENDS
Nominal Outside Diameter6.125 INCHES ALL ENDS IN
Bolt Circle Nominal Diameter4.500 INCHES ALL ENDS IN
MaterialSTEEL COMP 416 FLOW CONTROL DEVICE
MaterialSTEEL COMP 416 STEM
Departure From Cited DesignatorAS DIFFERENTIATED BY PAC ZZZT AND ADQW
Second Connection Face to Centerline Distance4.750 INCHES IN
Nondefinitive Spec/std DataI TYPE AND A STYLE AND I CLASS
Bonnet Attachment MethodBOLTED
Bolt Hole Nominal Diameter0.812 INCHES ALL ENDS IN
Bolt Hole Quantity4 ALL ENDS
Valve Operation MethodMANUAL
Connection TypeFLANGE ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5935-00-387-0073 INTERCHANGEABLE
Connector,receptacle,electrical
4820-00-601-0972803-2177525-M725MOD600PSI INTERCHANGEABLE
Valve,angle
Naval Ship Systems Command
4820-01-018-3780F073076B2TS/33652-6D/882010602 INTERCHANGEABLE
Valve,y
Velan Valve Corp.
4820-01-018-3781F073076B02TS/33652-6D/882010603 INTERCHANGEABLE
Valve,y
Velan Valve Corp.
4820-01-040-8971 INTERCHANGEABLE
Valve,angle
4820-01-140-4834F07-2076B-02TS 3362-7LKDVC INTERCHANGEABLE
Valve,y
Velan Valve Corp.
4820-01-142-8701 INTERCHANGEABLE
Valve,globe
4820-01-356-2641 INTERCHANGEABLE
Valve,y
Cross-Reference Index
Part NumberManufacturer
8021713 1 1/2IN Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
N812 Derbyshire Machine & Tool Co (USA)
B0-21735 Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
MILV17737 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B0-21735 PIECE Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
B0-21735 PIECE 5,6,10 Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
F07-2075B-02TS3 Velan Valve Corp. (USA)
Related Parts
5935-00-387-0073INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4820-00-601-0972INTERCHANGEABLE
VALVE,ANGLE
803-2177525-M725MOD600PSI
4820-01-018-3780INTERCHANGEABLE
VALVE,Y
F073076B2TS/33652-6D/882010602
4820-01-018-3781INTERCHANGEABLE
VALVE,Y
F073076B02TS/33652-6D/882010603
4820-01-040-8971INTERCHANGEABLE
VALVE,ANGLE
4820-01-140-4834INTERCHANGEABLE
VALVE,Y
F07-2076B-02TS 3362-7LKDVC
4820-01-142-8701INTERCHANGEABLE
VALVE,GLOBE
4820-01-356-2641INTERCHANGEABLE
VALVE,Y

Frequently Asked Questions

What is NSN 4820-00-287-4595?

NSN 4820-00-287-4595 is a Valve,angle, manufactured by Pentair Valves & Controls Us Lp Div Pentair Flow Control, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-287-4595?

NSN 4820-00-287-4595 has 7 cross-referenced part numbers: 8021713 1 1/2IN (Pentair Valves & Controls Us Lp Div Pentair Flow Control), N812 (Derbyshire Machine & Tool Co), B0-21735 (Pentair Valves & Controls Us Lp Div Pentair Flow Control), MILV17737 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B0-21735 PIECE (Pentair Valves & Controls Us Lp Div Pentair Flow Control) and 2 more.

What NSN replaces 4820-00-287-4595?

There are 8 known substitutes for 4820-00-287-4595: 5935-00-387-0073, 4820-00-601-0972, 4820-01-018-3780 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8021713 1 1/2IN?

Key specifications for 8021713 1 1/2IN: Material: STEEL COMP 1010 BODY; Valve Size: 1.500 INCHES IN; Flow Control Device: DISK; Media for Which Designed: STEAM SINGLE RESPONSE. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-287-4595 still in active supply?

NSN 4820-00-287-4595 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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