PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

568-8Flange,pipe

Crane Co Div Valve Div · NSN 4730-01-023-5575 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-023-5575 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-023-5575. Primary manufacturer part number: 568-8.
Features
  • Flange,pipe — FSC 4730
  • Operating Pressure and Type: 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
  • Bolt Circle Diameter: 11.750 INCHES NOMINAL IN
  • Raised Face Height: 0.062 INCHES NOMINAL IN
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Material: STEEL
  • Material Document and Classification: ASTM A181,GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE
  • Flange Diameter: 13.500 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-023-5575, 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 Crane Co Div Valve Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-023-5575
Primary Part Number568-8
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusACTIVE
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) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Bolt Circle Diameter11.750 INCHES NOMINAL IN
Raised Face Height0.062 INCHES NOMINAL IN
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
MaterialSTEEL
Material Document and ClassificationASTM A181,GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE
Flange Diameter13.500 INCHES NOMINAL IN
Flange Section StyleRAISED FACE, WELDING NECK
Maximum Operating Temp and Media for Which Designed500.0 FAHRENHEIT GAS AND 500.0 FAHRENHEIT OIL AND 500.0 FAHRENHEIT WATER DEGF
Face Seating Surface ConditionSERRATED
Thickness1.062 INCHES NOMINAL IN
Bolt Hole Diameter0.750 INCHES NOMINAL IN
Neck Height2.875 INCHES NOMINAL IN
Raised Face Diameter10.625 INCHES NOMINAL IN
Nominal Pipe Size for Which Designed8.630 INCHES IN
Bolt Hole Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6810-00-271-14051-2270 INTERCHANGEABLE
Lead Acetate,trihydrate
Avantor Performance Materials, Inc.
4210-00-465-15852 INTERCHANGEABLE
Horn and Nozzle
Harold D Hard Co
4730-00-617-69215688 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
5310-00-638-5081 INTERCHANGEABLE
Washer,key
4920-01-064-1791 INTERCHANGEABLE
Actuator,electromechanical,rotar
Cross-Reference Index
Part NumberManufacturer
568-8 PRIMARY Crane Co Div Valve Div (USA)
B16-5-8IN-IPS150PSI-PP-FLGE American National Standards Institute Incorporated Dba American National Standards Institute (USA)
15-8 PRIMARY Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA)
B16-5 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
6810-00-271-1405INTERCHANGEABLE
LEAD ACETATE,TRIHYDRATE
1-2270
4210-00-465-1585INTERCHANGEABLE
HORN AND NOZZLE
2
4730-00-617-6921INTERCHANGEABLE
CLAMP,HOSE
5688
5310-00-638-5081INTERCHANGEABLE
WASHER,KEY
4920-01-064-1791INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR

Frequently Asked Questions

What is NSN 4730-01-023-5575?

NSN 4730-01-023-5575 is a Flange,pipe, manufactured by Crane Co Div Valve Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-023-5575?

NSN 4730-01-023-5575 has 4 cross-referenced part numbers: 568-8 (Crane Co Div Valve Div), B16-5-8IN-IPS150PSI-PP-FLGE (American National Standards Institute Incorporated Dba American National Standards Institute), 15-8 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), B16-5 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-01-023-5575?

There are 5 known substitutes for 4730-01-023-5575: 6810-00-271-1405, 4210-00-465-1585, 4730-00-617-6921 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 568-8?

Key specifications for 568-8: Operating Pressure and Type: 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; Bolt Circle Diameter: 11.750 INCHES NOMINAL IN; Raised Face Height: 0.062 INCHES NOMINAL IN; Style Designator: ROUND, ONE BOLT HOLE CIRCLE. 16 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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