PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N-10552PC3(0.50IN)Disk,valve

Naval Ship Systems Command · NSN 4820-01-200-6615 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-200-6615 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-200-6615. Primary manufacturer part number: N-10552PC3(0.50IN).
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 0.656 INCHES NOMINAL IN
  • Material: NICKEL ALLOY
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Inside Diameter: 0.422 INCHES NOMINAL IN
  • Media for Which Designed: WATER, FRESH OR LIQUID
  • Seat Angle: 62.0 DEGREES NOMINAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-200-6615, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-200-6615
Primary Part NumberN-10552PC3(0.50IN)
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Outside Diameter0.656 INCHES NOMINAL IN
MaterialNICKEL ALLOY
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Inside Diameter0.422 INCHES NOMINAL IN
Media for Which DesignedWATER, FRESH OR LIQUID
Seat Angle62.0 DEGREES NOMINAL
Style DesignatorPOPPET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-273-7172 INTERCHANGEABLE
Valve,check
5340-01-198-5726 INTERCHANGEABLE
Dashpot
Cross-Reference Index
Part NumberManufacturer
N-10552PC3(0.50IN) Naval Ship Systems Command (USA)
10488-4-1 Walworth Co Marine Div (USA)
N-10552,PC 3 Walworth Co the (USA)
S4824-F-3119982PC3(0.50IN) Naval Ship Systems Command (USA)
3119982 PC 3 Naval Ship Systems Command (USA)
S4824-F-3119982 PC 3 Walworth Co Marine Div (USA)
N-10552 Walworth Co the (USA)
Related Parts
4820-00-273-7172INTERCHANGEABLE
VALVE,CHECK
5340-01-198-5726INTERCHANGEABLE
DASHPOT

Frequently Asked Questions

What is NSN 4820-01-200-6615?

NSN 4820-01-200-6615 is a Disk,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-200-6615?

NSN 4820-01-200-6615 has 7 cross-referenced part numbers: N-10552PC3(0.50IN) (Naval Ship Systems Command), 10488-4-1 (Walworth Co Marine Div), N-10552,PC 3 (Walworth Co the), S4824-F-3119982PC3(0.50IN) (Naval Ship Systems Command), 3119982 PC 3 (Naval Ship Systems Command) and 2 more.

What NSN replaces 4820-01-200-6615?

There are 2 known substitutes for 4820-01-200-6615: 4820-00-273-7172, 5340-01-198-5726. Verify interchangeability with system specifications before substitution.

What are the specifications of N-10552PC3(0.50IN)?

Key specifications for N-10552PC3(0.50IN): Outside Diameter: 0.656 INCHES NOMINAL IN; Material: NICKEL ALLOY; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 9 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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