PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS4730-0108A039DJFlange,pipe

Flagg Stanley G & Co Inc Dba Flagg Brass · NSN 4730-00-640-6830 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-640-6830 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-640-6830. Primary manufacturer part number: CS4730-0108A039DJ.
Features
  • Flange,pipe — FSC 4730
  • Bolt Hole Diameter: 0.688 INCHES NOMINAL IN
  • Neck Height: 1.250 INCHES NOMINAL IN
  • Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK
  • Nominal Pipe Size for Which Designed: 7.000 INCHES IN
  • Bolt Hole Quantity: 12
  • Face Seating Surface Condition: MACHINED
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-00-640-6830, 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 Flagg Stanley G & Co Inc Dba Flagg Brass. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-640-6830
Primary Part NumberCS4730-0108A039DJ
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFlagg Stanley G & Co Inc Dba Flagg Brass
StatusACTIVE
Bolt Hole Diameter0.688 INCHES NOMINAL IN
Neck Height1.250 INCHES NOMINAL IN
Flange Section StylePLAIN FACE, SOCKET BRAZING NECK
Nominal Pipe Size for Which Designed7.000 INCHES IN
Bolt Hole Quantity12
Face Seating Surface ConditionMACHINED
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
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
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
Socket Diameter7.625 INCHES NOMINAL IN
Thickness0.562 INCHES NOMINAL IN
Bolt Circle Diameter10.000 INCHES NOMINAL IN
Flange Diameter11.312 INCHES NOMINAL IN
MaterialCOPPER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
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
CS4730-0108A039DJ Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
CS4730-0108A039DJ Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
CS4730-0108A039DJ Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MILF20042PLAIN100LBCLASSTYPEPR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS4730-0108A039DJ Derbyshire Machine & Tool Co (USA)
CS4730-0108A039DJ The Walworth Company (USA)
Related Parts
4730-00-640-6832INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A026DJ

Frequently Asked Questions

What is NSN 4730-00-640-6830?

NSN 4730-00-640-6830 is a Flange,pipe, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-640-6830?

NSN 4730-00-640-6830 has 6 cross-referenced part numbers: CS4730-0108A039DJ (Flagg Stanley G & Co Inc Dba Flagg Brass), CS4730-0108A039DJ (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), CS4730-0108A039DJ (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), MILF20042PLAIN100LBCLASSTYPEPR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS4730-0108A039DJ (Derbyshire Machine & Tool Co) and 1 more.

What NSN replaces 4730-00-640-6830?

There is 1 known substitute for 4730-00-640-6830: 4730-00-640-6832. Verify interchangeability with system specifications before substitution.

What are the specifications of CS4730-0108A039DJ?

Key specifications for CS4730-0108A039DJ: Bolt Hole Diameter: 0.688 INCHES NOMINAL IN; Neck Height: 1.250 INCHES NOMINAL IN; End Item Identification: POSIEDON SUBMARINE; Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK. 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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