PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS4730-0108A029DJFlange,pipe

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 4730-00-640-6835 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-640-6835 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-640-6835. Primary manufacturer part number: CS4730-0108A029DJ.
Features
  • Flange,pipe — FSC 4730
  • Tube Outside Diameter for Which Designed: 1.900 INCHES NOMINAL IN
  • Bolt Hole Quantity: 6
  • Neck Height: 0.938 INCHES NOMINAL IN
  • Bolt Hole Diameter: 0.562 INCHES NOMINAL IN
  • Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK
  • Face Seating Surface Condition: MACHINED
  • Supplementary Features: BRAZING RING IS NOT TO BE INSERTED IN GROOVE BUT PACKAGE SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT PACKAGE OR PHYSICALLY ATTACHED TO PARENT COMPONENT.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-00-640-6835, 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 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-640-6835
Primary Part NumberCS4730-0108A029DJ
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
Tube Outside Diameter for Which Designed1.900 INCHES NOMINAL IN
Bolt Hole Quantity6
Neck Height0.938 INCHES NOMINAL IN
Bolt Hole Diameter0.562 INCHES NOMINAL IN
Flange Section StylePLAIN FACE, SOCKET BRAZING NECK
Face Seating Surface ConditionMACHINED
Supplementary FeaturesBRAZING RING IS NOT TO BE INSERTED IN GROOVE BUT PACKAGE SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT PACKAGE OR PHYSICALLY ATTACHED TO PARENT COMPONENT.
Nondefinitive Spec/std DataPR TYPE
Operating Pressure and Type150.0 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) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Thickness0.438 INCHES NOMINAL IN
Bolt Circle Diameter3.938 INCHES NOMINAL IN
Maximum Operating Temp and Media for Which Designed425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT OIL AND 425.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF
MaterialCOPPER
Flange Diameter5.062 INCHES NOMINAL IN
Socket Diameter1.900 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-104-2011CS4730-0108A061DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-203-9333202174PC102 INTERCHANGEABLE
Flange,pipe
Huntington Ingalls Inc Div Newport News Shipbuilding
4730-00-230-8777 INTERCHANGEABLE
Flange,pipe,blind
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)
5110-00-561-2531B176 INTERCHANGEABLE
Blade Set,gasket Cutter
Zimmerman Packing Company Dba Zimmerman Packing & Mfg
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
4730-00-640-68273242574 INTERCHANGEABLE
Flange,pipe
Hatch & Kirk, Inc.
4730-00-640-6832CS4730-0108A026DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
CS4730-0108A029DJ Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
CS4730-0108A029DJ PRIMARY 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
CS4730-0108A029DJ Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
CS4730-0108A029DJ Derbyshire Machine & Tool Co (USA)
CS4730-0108 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
B176 Naval Ship Systems Command (USA)
Related Parts
4730-00-104-2011INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A061DJ
4730-00-203-9333INTERCHANGEABLE
FLANGE,PIPE
202174PC102
4730-00-230-8777INTERCHANGEABLE
FLANGE,PIPE,BLIND
4730-00-541-3190INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A047DJ
4730-00-541-4740INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108B053DH
5110-00-561-2531INTERCHANGEABLE
BLADE SET,GASKET CUTTER
B176
4730-00-640-6823INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108
4730-00-640-6825INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A034DJ
4730-00-640-6827INTERCHANGEABLE
FLANGE,PIPE
3242574
4730-00-640-6832INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A026DJ
4730-00-640-6833INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A027DJ
4730-00-640-6834INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A028DJ

Frequently Asked Questions

What is NSN 4730-00-640-6835?

NSN 4730-00-640-6835 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 4730-00-640-6835?

NSN 4730-00-640-6835 has 7 cross-referenced part numbers: CS4730-0108A029DJ (Flagg Stanley G & Co Inc Dba Flagg Brass), CS4730-0108A029DJ (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), CS4730-0108A029DJ (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), CS4730-0108A029DJ (Derbyshire Machine & Tool Co) and 2 more.

What NSN replaces 4730-00-640-6835?

There are 12 known substitutes for 4730-00-640-6835: 4730-00-104-2011, 4730-00-203-9333, 4730-00-230-8777 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS4730-0108A029DJ?

Key specifications for CS4730-0108A029DJ: Tube Outside Diameter for Which Designed: 1.900 INCHES NOMINAL IN; Bolt Hole Quantity: 6; Neck Height: 0.938 INCHES NOMINAL IN; Bolt Hole Diameter: 0.562 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-640-6835 still in active supply?

NSN 4730-00-640-6835 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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