PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

012645Valve,check

Rolls-Royce Marine North America Inc · NSN 4820-01-303-1110 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-303-1110 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-303-1110. Primary manufacturer part number: 012645.
Features
  • Valve,check — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Rolls-Royce Marine North America Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-303-1110, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rolls-Royce Marine North America Inc. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 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)
ManufacturersRolls-Royce Marine North America Inc (CAGE 1TH76); Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (CAGE 16236); Eaton Germany Gmbh (CAGE D0826); Ulstein Bergen A/s (CAGE N0379)
Technical Specifications
ParameterValue
NSN4820-01-303-1110
Primary Part Number012645
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRolls-Royce Marine North America Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4710-00-073-320912645 INTERCHANGEABLE
Tube Assembly,metal
Westerbeke Corporation
2910-00-653-71151-2645 INTERCHANGEABLE
Handle,valve
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
2940-00-799-23881255 INTERCHANGEABLE
Clamp Assembly,support
V I J Corp Div National Utilities Company
5975-00-949-8441D686-31 INTERCHANGEABLE
Circuit Card Assy
L3 Technologies, Inc. Div L3 Keo
6520-01-184-158012645 INTERCHANGEABLE
Point,endodontic
Kerr Corporation
7025-01-471-4459820-12645 INTERCHANGEABLE
Disk Drive Unit
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
4320-01-498-6354 INTERCHANGEABLE
Shaft,transmission,pump
6515-01-504-506001-2645 INTERCHANGEABLE
Reconstruction Mond
Biomet Microfixation, Llc Div Biomet Microfixation
5340-01-564-106512645 INTERCHANGEABLE
Bracket,mounting
Carlisle & Finch Co
2950-01-714-439212645 INTERCHANGEABLE
Turbo Supercharger,engine,non-Ai
Banks Technologies
Cross-Reference Index
Part NumberManufacturer
012645 Rolls-Royce Marine North America Inc (USA)
K-RV15L Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
K-RV15L Eaton Germany Gmbh (DEU)
12645 Ulstein Bergen A/s (NOR)
Related Parts
4710-00-073-3209INTERCHANGEABLE
TUBE ASSEMBLY,METAL
12645
2910-00-653-7115INTERCHANGEABLE
HANDLE,VALVE
1-2645
2940-00-799-2388INTERCHANGEABLE
CLAMP ASSEMBLY,SUPPORT
1255
5975-00-949-8441INTERCHANGEABLE
CIRCUIT CARD ASSY
D686-31
6520-01-184-1580INTERCHANGEABLE
POINT,ENDODONTIC
12645
7025-01-471-4459INTERCHANGEABLE
DISK DRIVE UNIT
820-12645
4320-01-498-6354INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
6515-01-504-5060INTERCHANGEABLE
RECONSTRUCTION MOND
01-2645
5340-01-564-1065INTERCHANGEABLE
BRACKET,MOUNTING
12645
2950-01-714-4392INTERCHANGEABLE
TURBO SUPERCHARGER,ENGINE,NON-AI
12645

Frequently Asked Questions

What is NSN 4820-01-303-1110?

NSN 4820-01-303-1110 is a Valve,check, manufactured by Rolls-Royce Marine North America Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-303-1110?

NSN 4820-01-303-1110 has 4 cross-referenced part numbers: 012645 (Rolls-Royce Marine North America Inc), K-RV15L (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), K-RV15L (Eaton Germany Gmbh), 12645 (Ulstein Bergen A/s).

What NSN replaces 4820-01-303-1110?

There are 10 known substitutes for 4820-01-303-1110: 4710-00-073-3209, 2910-00-653-7115, 2940-00-799-2388 and 7 more. Verify interchangeability with system specifications before substitution.

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