PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K-RV18LValve,check

Eaton Germany Gmbh · NSN 4820-01-303-1109 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-303-1109 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-303-1109. Primary manufacturer part number: K-RV18L.
Features
  • Valve,check — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Eaton Germany Gmbh
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-303-1109, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Germany Gmbh. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 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)
ManufacturersEaton Germany Gmbh (CAGE D0826); Rolls-Royce Marine A/s Dep. Engines-Bergen (CAGE N4528); Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (CAGE 16236); Ulstein Bergen A/s (CAGE N0379)
Technical Specifications
ParameterValue
NSN4820-01-303-1109
Primary Part NumberK-RV18L
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Germany Gmbh
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6520-00-257-303312657 INTERCHANGEABLE
Point,endodontic
Kerr Corporation
2925-00-441-8323 INTERCHANGEABLE
Support,band
5910-00-725-4794 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
3040-00-807-8345 INTERCHANGEABLE
Shaft,pawl
4820-01-344-549412657 INTERCHANGEABLE
Valve,regulating,fluid Pressure
DP Manufacturing Inc.
5340-01-622-728812657-1 INTERCHANGEABLE
Track,sliding Door
Coda Octopus Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
K-RV18L Eaton Germany Gmbh (DEU)
12657 Rolls-Royce Marine A/s Dep. Engines-Bergen (NOR)
K-RV18L Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
12657 Ulstein Bergen A/s (NOR)
Related Parts
6520-00-257-3033INTERCHANGEABLE
POINT,ENDODONTIC
12657
2925-00-441-8323INTERCHANGEABLE
SUPPORT,BAND
5910-00-725-4794INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
3040-00-807-8345INTERCHANGEABLE
SHAFT,PAWL
4820-01-344-5494INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
12657
5340-01-622-7288INTERCHANGEABLE
TRACK,SLIDING DOOR
12657-1

Frequently Asked Questions

What is NSN 4820-01-303-1109?

NSN 4820-01-303-1109 is a Valve,check, manufactured by Eaton Germany Gmbh, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-303-1109?

NSN 4820-01-303-1109 has 4 cross-referenced part numbers: K-RV18L (Eaton Germany Gmbh), 12657 (Rolls-Royce Marine A/s Dep. Engines-Bergen), K-RV18L (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 12657 (Ulstein Bergen A/s).

What NSN replaces 4820-01-303-1109?

There are 6 known substitutes for 4820-01-303-1109: 6520-00-257-3033, 2925-00-441-8323, 5910-00-725-4794 and 3 more. Verify interchangeability with system specifications before substitution.

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