PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20262Valve,check

Kongsberg Maritime Inc Dba Kongsberg Maritime Inc · NSN 4820-01-303-1111 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-303-1111 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-303-1111. Primary manufacturer part number: 20262.
Features
  • Valve,check — FSC 4820
  • 6 verified cross-references
  • Primary manufacturer: Kongsberg Maritime Inc Dba Kongsberg Maritime Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-303-1111, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kongsberg Maritime Inc Dba Kongsberg Maritime Inc. This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersUlstein Bergen A/s (CAGE N0379); Eaton Germany Gmbh (CAGE D0826); Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (CAGE 16236); Rolls-Royce Marine North America Inc (CAGE 1TH76); Kongsberg Maritime Inc Dba Kongsberg Maritime Inc (CAGE 15342)
Technical Specifications
ParameterValue
NSN4820-01-303-1111
Primary Part Number20262
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKongsberg Maritime Inc Dba Kongsberg Maritime Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6130-00-132-2907080-20303-01 INTERCHANGEABLE
Power Supply
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5935-00-284-394826-198 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corp Div Amphenol Aerospace Operations
7310-00-834-4482 INTERCHANGEABLE
Pan,steam Table
5962-01-097-0010MM54C90J INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
6532-01-469-751711052S INTERCHANGEABLE
Shoes,shower
Shoe Corp of Birmingham, Inc Div Shoe Corporation of Birmingham, Inc.
4235-01-583-7321 INTERCHANGEABLE
Pad,absorbent,hazardous Material
6515-01-590-86181908 INTERCHANGEABLE
Software,pulse Oximeter
Masimo Corporation
Cross-Reference Index
Part NumberManufacturer
20262 Ulstein Bergen A/s (NOR)
374069-2 Eaton Germany Gmbh (DEU)
039985 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
039985 Eaton Germany Gmbh (DEU)
20262 Rolls-Royce Marine North America Inc (USA)
20262 PRIMARY Kongsberg Maritime Inc Dba Kongsberg Maritime Inc (USA)
Related Parts
6130-00-132-2907INTERCHANGEABLE
POWER SUPPLY
080-20303-01
5935-00-284-3948INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
26-198
7310-00-834-4482INTERCHANGEABLE
PAN,STEAM TABLE
5962-01-097-0010INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MM54C90J
6532-01-469-7517INTERCHANGEABLE
SHOES,SHOWER
11052S
4235-01-583-7321INTERCHANGEABLE
PAD,ABSORBENT,HAZARDOUS MATERIAL
6515-01-590-8618INTERCHANGEABLE
SOFTWARE,PULSE OXIMETER
1908

Frequently Asked Questions

What is NSN 4820-01-303-1111?

NSN 4820-01-303-1111 is a Valve,check, manufactured by Kongsberg Maritime Inc Dba Kongsberg Maritime Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-303-1111?

NSN 4820-01-303-1111 has 6 cross-referenced part numbers: 20262 (Ulstein Bergen A/s), 374069-2 (Eaton Germany Gmbh), 039985 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 039985 (Eaton Germany Gmbh), 20262 (Rolls-Royce Marine North America Inc) and 1 more.

What NSN replaces 4820-01-303-1111?

There are 7 known substitutes for 4820-01-303-1111: 6130-00-132-2907, 5935-00-284-3948, 7310-00-834-4482 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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