PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS4730-0108A044DJFlange,pipe

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 4730-00-203-9333 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-203-9333 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-203-9333. Primary manufacturer part number: CS4730-0108A044DJ.
Features
  • Flange,pipe — FSC 4730
  • Flange Diameter: 17.625 INCHES NOMINAL IN
  • Thickness: 0.750 INCHES NOMINAL IN
  • Socket Diameter: 12.750 INCHES NOMINAL IN
  • Bolt Hole Quantity: 18
  • Neck Height: 1.750 INCHES NOMINAL IN
  • Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK
  • Nominal Pipe Size for Which Designed: 12.000 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-00-203-9333, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-203-9333
Primary Part NumberCS4730-0108A044DJ
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)
StatusCANCELLED
Flange Diameter17.625 INCHES NOMINAL IN
Thickness0.750 INCHES NOMINAL IN
Socket Diameter12.750 INCHES NOMINAL IN
Bolt Hole Quantity18
Neck Height1.750 INCHES NOMINAL IN
Flange Section StylePLAIN FACE, SOCKET BRAZING NECK
Nominal Pipe Size for Which Designed12.000 INCHES IN
Bolt Hole Diameter0.812 INCHES NOMINAL IN
Face Seating Surface ConditionMACHINED
Maximum Operating Temp and Media for Which Designed150.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT OIL AND 425.0 FAHRENHEIT WATER DEGF
MaterialCOPPER ALLOY
Nondefinitive Spec/std DataPR TYPE AND PLAIN 150 LB CLASS LBS
Operating Pressure and Type100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Bolt Circle Diameter16.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-104-2011CS4730-0108A061DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-541-3190CS4730-0108A047DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-541-4740CS4730-0108B053DH INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-640-6823CS4730-0108 INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-640-6825CS4730-0108A034DJ INTERCHANGEABLE
Flange,pipe
Derbyshire Machine & Tool Co
4730-00-640-6833CS4730-0108A027DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-640-6835CS4730-0108A029DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-640-6836B176 INTERCHANGEABLE
Flange,pipe
Naval Sea Systems Command
4730-00-989-74595000S4823-138562A INTERCHANGEABLE
Flange,pipe
Naval Ship Systems Command
4730-01-024-77015179-300 INTERCHANGEABLE
Flange,pipe
Flagg Stanley G & Co Inc Dba Flagg Brass
Cross-Reference Index
Part NumberManufacturer
CS4730-0108A044DJ 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)
MILF20042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS4730-0108A044DJ Derbyshire Machine & Tool Co (USA)
MIL-PRF-20042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS4730-0108A044DJ PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
CS4730-0108A044DJ Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
202174PC102 PRIMARY Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
CS4730-0108A044DJ The Walworth Company (USA)
Related Parts
4730-00-104-2011INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A061DJ
4730-00-541-3190INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A047DJ
4730-00-541-4740INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108B053DH
4730-00-640-6823INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108
4730-00-640-6825INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A034DJ
4730-00-640-6833INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A027DJ
4730-00-640-6835INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A029DJ
4730-00-640-6836INTERCHANGEABLE
FLANGE,PIPE
B176
4730-00-989-7459INTERCHANGEABLE
FLANGE,PIPE
5000S4823-138562A
4730-01-024-7701INTERCHANGEABLE
FLANGE,PIPE
5179-300

Frequently Asked Questions

What is NSN 4730-00-203-9333?

NSN 4730-00-203-9333 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: cancelled.

What are the part numbers for NSN 4730-00-203-9333?

NSN 4730-00-203-9333 has 9 cross-referenced part numbers: CS4730-0108A044DJ (Flagg Stanley G & Co Inc Dba Flagg Brass), CS4730-0108 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), MILF20042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS4730-0108A044DJ (Derbyshire Machine & Tool Co), MIL-PRF-20042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 4730-00-203-9333?

There are 10 known substitutes for 4730-00-203-9333: 4730-00-104-2011, 4730-00-541-3190, 4730-00-541-4740 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS4730-0108A044DJ?

Key specifications for CS4730-0108A044DJ: Flange Diameter: 17.625 INCHES NOMINAL IN; Thickness: 0.750 INCHES NOMINAL IN; Socket Diameter: 12.750 INCHES NOMINAL IN; Bolt Hole Quantity: 18. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-203-9333 still in active supply?

NSN 4730-00-203-9333 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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