PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5820203Valve,check

Naval Sea Systems Command · NSN 4820-01-335-8075 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-335-8075 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-335-8075. Primary manufacturer part number: 5820203.
Features
  • Valve,check — FSC 4820
  • Material: STEEL CORROSION RESISTING OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-335-8075, 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 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-335-8075
Primary Part Number5820203
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3040-01-392-698458202-03 INTERCHANGEABLE
Actuator,mechanical,nonaircraft
Triumph Controls, Llc Dba Triumph Controls, Llc
Cross-Reference Index
Part NumberManufacturer
5820203 PRIMARY Naval Sea Systems Command (USA)
Related Parts
3040-01-392-6984INTERCHANGEABLE
ACTUATOR,MECHANICAL,NONAIRCRAFT
58202-03

Frequently Asked Questions

What is NSN 4820-01-335-8075?

NSN 4820-01-335-8075 is a Valve,check, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-335-8075?

NSN 4820-01-335-8075 has 1 cross-referenced part number: 5820203 (Naval Sea Systems Command).

What NSN replaces 4820-01-335-8075?

There is 1 known substitute for 4820-01-335-8075: 3040-01-392-6984. Verify interchangeability with system specifications before substitution.

What are the specifications of 5820203?

Key specifications for 5820203: Material: STEEL CORROSION RESISTING OVERALL. 1 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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