PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS4730-0108B053DHFlange,pipe

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 4730-00-541-4740 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-4740 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-4740. Primary manufacturer part number: CS4730-0108B053DH.
Features
  • Flange,pipe — FSC 4730
  • Material: COPPER ALLOY
  • Bolt Circle Diameter: 5.000 INCHES NOMINAL IN
  • Nominal Pipe Size for Which Designed: 2.500 INCHES IN
  • Flange Diameter: 6.125 INCHES NOMINAL IN
  • Neck Height: 0.875 INCHES NOMINAL IN
  • Face Seating Surface Condition: MACHINED
  • Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED AND 250.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 250.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-00-541-4740, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-541-4740
Primary Part NumberCS4730-0108B053DH
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
MaterialCOPPER ALLOY
Bolt Circle Diameter5.000 INCHES NOMINAL IN
Nominal Pipe Size for Which Designed2.500 INCHES IN
Flange Diameter6.125 INCHES NOMINAL IN
Neck Height0.875 INCHES NOMINAL IN
Face Seating Surface ConditionMACHINED
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED AND 250.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 250.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Nondefinitive Spec/std DataEF TYPE
Thickness0.938 INCHES NOMINAL IN
Flange Section StylePLAIN FACE, SOCKET NECK
Bolt Hole Quantity6
Socket Diameter2.875 INCHES NOMINAL IN
Socket Depth0.625 INCHES NOMINAL IN
Bolt Hole Diameter0.688 INCHES NOMINAL IN
Maximum Operating Temp and Media for Which Designed150.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER, SALT AND 425.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER, SALT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-088-8802CS4730-0108A058DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-104-2011CS4730-0108A061DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-185-6861 INTERCHANGEABLE
Flange,pipe,blind
4730-00-203-9333202174PC102 INTERCHANGEABLE
Flange,pipe
Huntington Ingalls Inc Div Newport News Shipbuilding
4730-00-230-8774 INTERCHANGEABLE
Flange,pipe,blind
4730-00-541-3188CS4730-0108A045DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-541-3189CS4730-0108A046DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-541-3190CS4730-0108A047DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-541-3193 INTERCHANGEABLE
Flange,pipe
4730-00-541-3195CS4730-0108A052DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
CS4730-0108C053DH Derbyshire Machine & Tool Co (USA)
5000S4823-1385621 Naval Sea Systems Command (USA)
CS4730-0108C053DH Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MILF20042PLAIN250LBCLASSTYPEEF Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-20042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5000S4823-1385621 Naval Ship Systems Command (USA)
CS4730-0108B053DH PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MIL-PRF-20042E Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS4730-0108C053DH Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
CS4730-0108C053DH The Walworth Company (USA)
CS4730-0108C053DH Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
CS4730-0108 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
4730-00-088-8802INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A058DJ
4730-00-104-2011INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A061DJ
4730-00-185-6861INTERCHANGEABLE
FLANGE,PIPE,BLIND
4730-00-203-9333INTERCHANGEABLE
FLANGE,PIPE
202174PC102
4730-00-230-8774INTERCHANGEABLE
FLANGE,PIPE,BLIND
4730-00-541-3188INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A045DJ
4730-00-541-3189INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A046DJ
4730-00-541-3190INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A047DJ
4730-00-541-3193INTERCHANGEABLE
FLANGE,PIPE
4730-00-541-3195INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A052DJ
4730-00-541-3204INTERCHANGEABLE
FLANGE,PIPE
4730-00-541-3205INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A126DJ

Frequently Asked Questions

What is NSN 4730-00-541-4740?

NSN 4730-00-541-4740 is a Flange,pipe, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-541-4740?

NSN 4730-00-541-4740 has 12 cross-referenced part numbers: CS4730-0108C053DH (Derbyshire Machine & Tool Co), 5000S4823-1385621 (Naval Sea Systems Command), CS4730-0108C053DH (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), MILF20042PLAIN250LBCLASSTYPEEF (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-20042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 4730-00-541-4740?

There are 12 known substitutes for 4730-00-541-4740: 4730-00-088-8802, 4730-00-104-2011, 4730-00-185-6861 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS4730-0108B053DH?

Key specifications for CS4730-0108B053DH: Material: COPPER ALLOY; Bolt Circle Diameter: 5.000 INCHES NOMINAL IN; Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Flange Diameter: 6.125 INCHES NOMINAL IN. 17 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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