PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4486Disk,valve

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 4820-00-288-7570 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-288-7570 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-288-7570. Primary manufacturer part number: 4486.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 1.391 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Material: RUBBER SYNTHETIC
  • Inside Diameter: 0.578 INCHES NOMINAL IN
  • Media for Which Designed: AIR
  • 10 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-288-7570, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, 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
NSN4820-00-288-7570
Primary Part Number4486
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Outside Diameter1.391 INCHES NOMINAL IN
Style DesignatorPLAIN
MaterialRUBBER SYNTHETIC
Inside Diameter0.578 INCHES NOMINAL IN
Media for Which DesignedAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5320-00-147-15514486 INTERCHANGEABLE
Rivet,solid
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5210-00-234-9605 INTERCHANGEABLE
Gage,depth,vernier
4130-00-395-6968 INTERCHANGEABLE
Button,piston Pin
6695-00-526-8710588-20307 INTERCHANGEABLE
Gage,altitude and Temperature,di
Way Wolff Associates Inc
4720-00-606-75344486-23 INTERCHANGEABLE
Hose,air Duct
Flexco, Inc
4720-00-606-75354486-25 INTERCHANGEABLE
Hose,air Duct
Flexco, Inc
2920-00-732-52201948531 INTERCHANGEABLE
Parts Kit,starter Drive
Borgwarner Pds (anderson), L.l.c.
5998-00-968-5508 INTERCHANGEABLE
Circuit Card Assembly
2920-01-074-2030830620 INTERCHANGEABLE
Drive,engine,electrical Starter
Delco Remy America Inc
5310-01-082-2764 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
4486 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
GV64-379PC24 Automatic Switch Company Dba Asco (USA)
FV19-644-5 PRIMARY Automatic Switch Company Dba Asco (USA)
571-4824-148659REVAPC16 Naval Ship Systems Command (USA)
AV63-970PC24 PRIMARY Automatic Switch Company Dba Asco (USA)
AV40-978PC16 PRIMARY Automatic Switch Company Dba Asco (USA)
GV39-638REVAPC16 PRIMARY Automatic Switch Company Dba Asco (USA)
AV39-633PC16 PRIMARY Automatic Switch Company Dba Asco (USA)
571-4824-148659REVAPC16 PRIMARY Naval Sea Systems Command (USA)
4486 Atkomatic Valve Co Inc (USA)
Related Parts
5320-00-147-1551INTERCHANGEABLE
RIVET,SOLID
4486
5210-00-234-9605INTERCHANGEABLE
GAGE,DEPTH,VERNIER
4130-00-395-6968INTERCHANGEABLE
BUTTON,PISTON PIN
6695-00-526-8710INTERCHANGEABLE
GAGE,ALTITUDE AND TEMPERATURE,DI
588-20307
4720-00-606-7534INTERCHANGEABLE
HOSE,AIR DUCT
4486-23
4720-00-606-7535INTERCHANGEABLE
HOSE,AIR DUCT
4486-25
2920-00-732-5220INTERCHANGEABLE
PARTS KIT,STARTER DRIVE
1948531
5998-00-968-5508INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2920-01-074-2030INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
830620
5310-01-082-2764INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5340-01-499-8214INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
44-86
5306-01-513-7630INTERCHANGEABLE
BOLT,CLOSE TOLERANCE
8036669

Frequently Asked Questions

What is NSN 4820-00-288-7570?

NSN 4820-00-288-7570 is a Disk,valve, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-288-7570?

NSN 4820-00-288-7570 has 10 cross-referenced part numbers: 4486 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), GV64-379PC24 (Automatic Switch Company Dba Asco), FV19-644-5 (Automatic Switch Company Dba Asco), 571-4824-148659REVAPC16 (Naval Ship Systems Command), AV63-970PC24 (Automatic Switch Company Dba Asco) and 5 more.

What NSN replaces 4820-00-288-7570?

There are 12 known substitutes for 4820-00-288-7570: 5320-00-147-1551, 5210-00-234-9605, 4130-00-395-6968 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4486?

Key specifications for 4486: Outside Diameter: 1.391 INCHES NOMINAL IN; Style Designator: PLAIN; Material: RUBBER SYNTHETIC; Overall Height: 0.275 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN. 6 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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