PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-9886 PL-4433,PL-4432 4INValve,check

Admiral Valve Llc Dba Cpv Manufacturing · NSN 4820-01-212-4746 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-212-4746 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-212-4746. Primary manufacturer part number: A-9886 PL-4433,PL-4432 4IN.
Features
  • Valve,check — FSC 4820
  • Face to Face Distance: 4.000 INCHES IN
  • Bolt Hole Quantity: 8 ALL ENDS
  • Valve Size: 4.000 INCHES IN
  • Valve Operation Method: AUTOMATIC
  • Material: COPPER ALLOY OVERALL
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Flange Shape: ROUND WITH HOLES ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-212-4746, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Admiral Valve Llc Dba Cpv Manufacturing. Government technical data includes 15 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-212-4746
Primary Part NumberA-9886 PL-4433,PL-4432 4IN
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAdmiral Valve Llc Dba Cpv Manufacturing
StatusACTIVE
Face to Face Distance4.000 INCHES IN
Bolt Hole Quantity8 ALL ENDS
Valve Size4.000 INCHES IN
Valve Operation MethodAUTOMATIC
MaterialCOPPER ALLOY OVERALL
Mounting PositionHORIZONTAL OR VERTICAL
Flange ShapeROUND WITH HOLES ALL ENDS
Connection TypeFLANGE ALL ENDS
Flange Face DesignPLAIN ALL ENDS
Bolt Hole Nominal Diameter0.750 INCHES ALL ENDS IN
Nominal Outside Diameter9.000 INCHES ALL ENDS IN
Style DesignatorSTRAIGHT THRU FLANGED ENDS
Bolt Circle Nominal Diameter7.500 INCHES ALL ENDS IN
Nominal Thickness0.688 INCHES ALL ENDS IN
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-01-136-773112D 2 1/2IN INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-194-6836098052AL INTERCHANGEABLE
Seat,valve
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-194-6929098482AG INTERCHANGEABLE
Stem,fluid Valve
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-195-6389098472AG INTERCHANGEABLE
Disk,valve
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-198-0978098823AG INTERCHANGEABLE
Disk,valve
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-198-418812-D-R PL-4226,PL-4551 6IN INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-198-861312D-3IN A-9886 INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-249-6562098053DD INTERCHANGEABLE
Seat,valve
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-506-186812D-R/PL4603 INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-506-2796098820AG INTERCHANGEABLE
Disk,valve
Admiral Valve Llc Dba Cpv Manufacturing
Cross-Reference Index
Part NumberManufacturer
12D-SS-R PL-443 Admiral Valve Llc Dba Cpv Manufacturing (USA)
A-9886 PL-4433,PL-4432 4IN PRIMARY Admiral Valve Llc Dba Cpv Manufacturing (USA)
A-9886 Admiral Valve Llc Dba Cpv Manufacturing (USA)
Related Parts
4820-01-136-7731INTERCHANGEABLE
VALVE,CHECK
12D 2 1/2IN
4820-01-194-6836INTERCHANGEABLE
SEAT,VALVE
098052AL
4820-01-194-6929INTERCHANGEABLE
STEM,FLUID VALVE
098482AG
4820-01-195-6389INTERCHANGEABLE
DISK,VALVE
098472AG
4820-01-198-0978INTERCHANGEABLE
DISK,VALVE
098823AG
4820-01-198-4188INTERCHANGEABLE
VALVE,CHECK
12-D-R PL-4226,PL-4551 6IN
4820-01-198-8613INTERCHANGEABLE
VALVE,CHECK
12D-3IN A-9886
4820-01-249-6562INTERCHANGEABLE
SEAT,VALVE
098053DD
4820-01-506-1868INTERCHANGEABLE
VALVE,CHECK
12D-R/PL4603
4820-01-506-2796INTERCHANGEABLE
DISK,VALVE
098820AG
4820-01-506-2987INTERCHANGEABLE
STEM,FLUID VALVE
098480AG

Frequently Asked Questions

What is NSN 4820-01-212-4746?

NSN 4820-01-212-4746 is a Valve,check, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-212-4746?

NSN 4820-01-212-4746 has 3 cross-referenced part numbers: 12D-SS-R PL-443 (Admiral Valve Llc Dba Cpv Manufacturing), A-9886 PL-4433,PL-4432 4IN (Admiral Valve Llc Dba Cpv Manufacturing), A-9886 (Admiral Valve Llc Dba Cpv Manufacturing).

What NSN replaces 4820-01-212-4746?

There are 11 known substitutes for 4820-01-212-4746: 4820-01-136-7731, 4820-01-194-6836, 4820-01-194-6929 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-9886 PL-4433,PL-4432 4IN?

Key specifications for A-9886 PL-4433,PL-4432 4IN: Face to Face Distance: 4.000 INCHES IN; Bolt Hole Quantity: 8 ALL ENDS; Valve Size: 4.000 INCHES IN; Valve Operation Method: AUTOMATIC. 15 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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