PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3242574Flange,pipe

Hatch & Kirk, Inc. · NSN 4730-00-640-6827 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-640-6827 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-640-6827. Primary manufacturer part number: 3242574.
Features
  • Flange,pipe — FSC 4730
  • Face Seating Surface Condition: SERRATED
  • Operating Pressure and Type: 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
  • Nondefinitive Spec/std Data: PR TYPE AND PLAIN,150 LB CLASS LBS
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Bore Diameter: 5.420 INCHES NOMINAL IN
  • Maximum Operating Temp and Media for Which Designed: 425.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF
  • Socket Diameter: 5.562 INCHES NOMINAL 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 4730-00-640-6827, 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 Hatch & Kirk, Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 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
NSN4730-00-640-6827
Primary Part Number3242574
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHatch & Kirk, Inc.
StatusCANCELLED
Face Seating Surface ConditionSERRATED
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Nondefinitive Spec/std DataPR TYPE AND PLAIN,150 LB CLASS LBS
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Bore Diameter5.420 INCHES NOMINAL IN
Maximum Operating Temp and Media for Which Designed425.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF
Socket Diameter5.562 INCHES NOMINAL IN
Neck Height1.000 INCHES NOMINAL IN
Flange Diameter9.062 INCHES NOMINAL IN
Precious Material and Weight0.581 SILVER OUNCES, TROY
Tube Outside Diameter for Which Designed5.562 INCHES NOMINAL IN
Bolt Hole Quantity10
MaterialCOPPER ALLOY
Bolt Hole Diameter0.688 INCHES NOMINAL IN
Thickness0.562 INCHES NOMINAL IN
Flange Section StylePLAIN FACE, SOCKET BRAZING NECK
Nominal Pipe Size for Which Designed5.000 INCHES IN
Bolt Circle Diameter7.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-230-8777 INTERCHANGEABLE
Flange,pipe,blind
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)
4730-00-640-6832CS4730-0108A026DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-640-6833CS4730-0108A027DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4730-00-640-6834CS4730-0108A028DJ 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
4730-00-640-6837CS4730-0108A031DJ INTERCHANGEABLE
Flange,pipe
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
6625-01-078-3677 INTERCHANGEABLE
Divider,power,radio Frequency
Cross-Reference Index
Part NumberManufacturer
B176 Naval Ship Systems Command (USA)
MILF20042 Allied Plumbing Sales Co Inc (USA)
MIL-PRF-20042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILF20042 Diesel Parts Co of California (USA)
MILF20042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS4730-0108A036DJ Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
CS4730-0108A036DJ The Walworth Company (USA)
CS4730-0108A036DJ Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
MILF20042 Mindeco Corp (USA)
3242574 PRIMARY Hatch & Kirk, Inc. (USA)
3242574 General Motors Corp Electro-Motive Div (USA)
CS4730-0108A036DJ Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
CS4730-0108A036DJ Derbyshire Machine & Tool Co (USA)
Related Parts
4730-00-230-8777INTERCHANGEABLE
FLANGE,PIPE,BLIND
5110-00-561-2531INTERCHANGEABLE
BLADE SET,GASKET CUTTER
B176
4730-00-640-6823INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108
4730-00-640-6832INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A026DJ
4730-00-640-6833INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A027DJ
4730-00-640-6834INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A028DJ
4730-00-640-6835INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A029DJ
4730-00-640-6836INTERCHANGEABLE
FLANGE,PIPE
B176
4730-00-640-6837INTERCHANGEABLE
FLANGE,PIPE
CS4730-0108A031DJ
6625-01-078-3677INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 4730-00-640-6827?

NSN 4730-00-640-6827 is a Flange,pipe, manufactured by Hatch & Kirk, Inc., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-640-6827?

NSN 4730-00-640-6827 has 13 cross-referenced part numbers: B176 (Naval Ship Systems Command), MILF20042 (Allied Plumbing Sales Co Inc), MIL-PRF-20042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILF20042 (Diesel Parts Co of California), MILF20042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 4730-00-640-6827?

There are 10 known substitutes for 4730-00-640-6827: 4730-00-230-8777, 5110-00-561-2531, 4730-00-640-6823 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3242574?

Key specifications for 3242574: Face Seating Surface Condition: SERRATED; Operating Pressure and Type: 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; Nondefinitive Spec/std Data: PR TYPE AND PLAIN,150 LB CLASS LBS; Style Designator: ROUND, ONE BOLT HOLE CIRCLE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-640-6827 still in active supply?

NSN 4730-00-640-6827 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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