PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

565-5Cartridge,stop-Check Valve

Admiral Valve Llc Dba Cpv Manufacturing · NSN 4820-01-020-2007 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-020-2007 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-020-2007. Primary manufacturer part number: 565-5.
Features
  • Cartridge,stop-Check Valve — FSC 4820
  • Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Material: COPPER ALLOY
  • Port Diameter: 0.813 INCHES NOMINAL IN
  • Maximum Operating Temp: 225.0 FAHRENHEIT DEGF
  • 1 verified cross-reference
  • Primary manufacturer: Admiral Valve Llc Dba Cpv Manufacturing
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Cartridge,stop-Check Valve, cataloged under National Stock Number 4820-01-020-2007, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-020-2007
Primary Part Number565-5
Item NameCartridge,stop-Check Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAdmiral Valve Llc Dba Cpv Manufacturing
StatusACTIVE
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
MaterialCOPPER ALLOY
Port Diameter0.813 INCHES NOMINAL IN
Maximum Operating Temp225.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3655-00-404-4119D9578-48A6 INTERCHANGEABLE
Handle Door
Met-Pro Corporation
5330-00-411-4254 INTERCHANGEABLE
Packing
4510-00-454-4351CH8742 INTERCHANGEABLE
Valve,mixing
Crane Co Div Valve Div
5950-00-496-91572653896 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5340-00-542-4435 INTERCHANGEABLE
Handle,door
5331-00-641-3763MS28775-221 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
6505-00-655-83595655 INTERCHANGEABLE
Lanolin
Mallinckrodt Inc Anesthesia Products
5340-00-819-05405655 INTERCHANGEABLE
Handle,door
Eastern Co Div Eberhard Manufacturing
5999-01-219-28305655 INTERCHANGEABLE
Card,display
Thales Defense & Security Inc Dba Thales Communications Inc
4820-01-352-2849Z16440-81442PT INTERCHANGEABLE
Valve,regulating,fluid Pressure
Fairchild Industrial Products Company
Cross-Reference Index
Part NumberManufacturer
565-5 PRIMARY Admiral Valve Llc Dba Cpv Manufacturing (USA)
Related Parts
3655-00-404-4119INTERCHANGEABLE
HANDLE DOOR
D9578-48A6
5330-00-411-4254INTERCHANGEABLE
PACKING
4510-00-454-4351INTERCHANGEABLE
VALVE,MIXING
CH8742
5950-00-496-9157INTERCHANGEABLE
TRANSFORMER,POWER
2653896
5340-00-542-4435INTERCHANGEABLE
HANDLE,DOOR
5331-00-641-3763INTERCHANGEABLE
O-RING
MS28775-221
6505-00-655-8359INTERCHANGEABLE
LANOLIN
5655
5340-00-819-0540INTERCHANGEABLE
HANDLE,DOOR
5655
5999-01-219-2830INTERCHANGEABLE
CARD,DISPLAY
5655
4820-01-352-2849INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
Z16440-81442PT
9140-01-562-8210INTERCHANGEABLE
OIL,HYDRAULIC STEERING
5655
9905-01-734-1144INTERCHANGEABLE
SIGN
5655

Frequently Asked Questions

What is NSN 4820-01-020-2007?

NSN 4820-01-020-2007 is a Cartridge,stop-Check Valve, 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 4820-01-020-2007?

NSN 4820-01-020-2007 has 1 cross-referenced part number: 565-5 (Admiral Valve Llc Dba Cpv Manufacturing).

What NSN replaces 4820-01-020-2007?

There are 12 known substitutes for 4820-01-020-2007: 3655-00-404-4119, 5330-00-411-4254, 4510-00-454-4351 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 565-5?

Key specifications for 565-5: Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Material: COPPER ALLOY; Port Diameter: 0.813 INCHES NOMINAL IN; Maximum Operating Temp: 225.0 FAHRENHEIT DEGF. 4 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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