PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-6397247-2X3X-24Cartridge,check Valve

Naval Sea Systems Command · NSN 4820-01-484-7866 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-484-7866 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-484-7866. Primary manufacturer part number: 803-6397247-2X3X-24.
Features
  • Cartridge,check Valve — FSC 4820
  • Maximum Operating Temp: 250.0 FAHRENHEIT DEGF
  • Valve Size: 0.375 INCHES IN
  • Material: COPPER ALLOY
  • Port Diameter: 0.466 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
  • Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Thread Size and Series/type Designator: 1.0-14-3B UNF
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Cartridge,check Valve, cataloged under National Stock Number 4820-01-484-7866, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-484-7866
Primary Part Number803-6397247-2X3X-24
Item NameCartridge,check Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Maximum Operating Temp250.0 FAHRENHEIT DEGF
Valve Size0.375 INCHES IN
MaterialCOPPER ALLOY
Port Diameter0.466 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Thread Size and Series/type Designator1.0-14-3B UNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-121-9782803-6397247-4111 INTERCHANGEABLE
Valve,globe
Naval Sea Systems Command
4820-01-172-9148365-7-OX PL4496 INTERCHANGEABLE
Cartridge Assembly
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-184-9371803-6397247-2111 INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
4820-01-212-6793803-6397247-3131 INTERCHANGEABLE
Valve,check
Naval Sea Systems Command
4820-01-240-6798803-6397247-5111 INTERCHANGEABLE
Valve,globe
Naval Sea Systems Command
4820-01-270-5758803-6397247-3111 INTERCHANGEABLE
Valve,globe
Naval Sea Systems Command
4730-01-386-1742803-6397247-3X2X-42 INTERCHANGEABLE
Packing Nut
Naval Sea Systems Command
4820-01-452-0083M1309-1 INTERCHANGEABLE
Valve,globe
Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc
5330-01-582-1700803-6397247-2XXX-41 INTERCHANGEABLE
Retainer,packing
Naval Sea Systems Command
4820-01-604-4462803-6397247-24X1-56 INTERCHANGEABLE
Cartridge,stop-Check Valve
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
6397247-2X3X-24 Naval Sea Systems Command (USA)
803-6397247-2X3X-24 PRIMARY Naval Sea Systems Command (USA)
803-6397247 Naval Sea Systems Command (USA)
Related Parts
4820-01-121-9782INTERCHANGEABLE
VALVE,GLOBE
803-6397247-4111
4820-01-172-9148INTERCHANGEABLE
CARTRIDGE ASSEMBLY
365-7-OX PL4496
4820-01-184-9371INTERCHANGEABLE
VALVE,GLOBE
803-6397247-2111
4820-01-212-6793INTERCHANGEABLE
VALVE,CHECK
803-6397247-3131
4820-01-240-6798INTERCHANGEABLE
VALVE,GLOBE
803-6397247-5111
4820-01-270-5758INTERCHANGEABLE
VALVE,GLOBE
803-6397247-3111
4730-01-386-1742INTERCHANGEABLE
PACKING NUT
803-6397247-3X2X-42
4820-01-452-0083INTERCHANGEABLE
VALVE,GLOBE
M1309-1
5330-01-582-1700INTERCHANGEABLE
RETAINER,PACKING
803-6397247-2XXX-41
4820-01-604-4462INTERCHANGEABLE
CARTRIDGE,STOP-CHECK VALVE
803-6397247-24X1-56
4820-01-604-4975INTERCHANGEABLE
STEM,SUPPORT,VALVE
803-6397247-241X-46
5330-01-604-5728INTERCHANGEABLE
RETAINER,PACKING
803-6397247-2XXX-011

Frequently Asked Questions

What is NSN 4820-01-484-7866?

NSN 4820-01-484-7866 is a Cartridge,check Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-484-7866?

NSN 4820-01-484-7866 has 3 cross-referenced part numbers: 6397247-2X3X-24 (Naval Sea Systems Command), 803-6397247-2X3X-24 (Naval Sea Systems Command), 803-6397247 (Naval Sea Systems Command).

What NSN replaces 4820-01-484-7866?

There are 12 known substitutes for 4820-01-484-7866: 4820-01-121-9782, 4820-01-172-9148, 4820-01-184-9371 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-6397247-2X3X-24?

Key specifications for 803-6397247-2X3X-24: Maximum Operating Temp: 250.0 FAHRENHEIT DEGF; Valve Size: 0.375 INCHES IN; Material: COPPER ALLOY; Port Diameter: 0.466 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN. 7 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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