PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16-5SCHEDULE80Flange,pipe

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 4730-00-289-8120 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-8120 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-8120. Primary manufacturer part number: B16-5SCHEDULE80.
Features
  • Flange,pipe — FSC 4730
  • Bolt Circle Diameter: 3.250 INCHES NOMINAL IN
  • Maximum Operating Temp and Media for Which Designed: 975.0 FAHRENHEIT STEAM DEGF
  • Material Document and Classification: MIL-S-18410,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE
  • Material: STEEL
  • Nondefinitive Spec/std Data: 28 TABLE AND 29 TABLE
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Operating Pressure and Type: 1500.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-00-289-8120, 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 American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-289-8120
Primary Part NumberB16-5SCHEDULE80
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Bolt Circle Diameter3.250 INCHES NOMINAL IN
Maximum Operating Temp and Media for Which Designed975.0 FAHRENHEIT STEAM DEGF
Material Document and ClassificationMIL-S-18410,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE
MaterialSTEEL
Nondefinitive Spec/std Data28 TABLE AND 29 TABLE
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Operating Pressure and Type1500.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Departure From Cited DesignatorASMODIFIED BY MATERIAL,BORED FOR USE WITH SCHEDULE 80 PIPE
Flange Section StyleRAISED FACE, WELDING NECK
Face Seating Surface ConditionMACHINED
Raised Face Diameter1.375 INCHES NOMINAL IN
Flange Diameter4.750 INCHES MINIMUM AND 4.812 INCHES MAXIMUM IN
Bolt Hole Quantity4
Neck Height1.500 INCHES NOMINAL IN
Thickness0.875 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
Nominal Pipe Size for Which Designed0.500 INCHES IN
Raised Face Height0.250 INCHES NOMINAL IN
Bolt Hole Diameter0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-066-0150 INTERCHANGEABLE
Flange,pipe
4730-00-256-8505 INTERCHANGEABLE
Flange,pipe
4730-00-256-8506 INTERCHANGEABLE
Flange,pipe
4730-00-256-8507 INTERCHANGEABLE
Flange,pipe
4730-00-256-8509 INTERCHANGEABLE
Flange,pipe
4730-00-256-8511 INTERCHANGEABLE
Flange,pipe
4730-00-256-8512300-8IN INTERCHANGEABLE
Flange,pipe
The Walworth Company
4730-00-256-8518 INTERCHANGEABLE
Flange,pipe
4730-00-289-812111065 INTERCHANGEABLE
Flange,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4730-00-289-8124 INTERCHANGEABLE
Flange,pipe
Cross-Reference Index
Part NumberManufacturer
B16-5SCHEDULE80 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
B16-5-1961 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
4730-00-066-0150INTERCHANGEABLE
FLANGE,PIPE
4730-00-256-8505INTERCHANGEABLE
FLANGE,PIPE
4730-00-256-8506INTERCHANGEABLE
FLANGE,PIPE
4730-00-256-8507INTERCHANGEABLE
FLANGE,PIPE
4730-00-256-8509INTERCHANGEABLE
FLANGE,PIPE
4730-00-256-8511INTERCHANGEABLE
FLANGE,PIPE
4730-00-256-8512INTERCHANGEABLE
FLANGE,PIPE
300-8IN
4730-00-256-8518INTERCHANGEABLE
FLANGE,PIPE
4730-00-289-8121INTERCHANGEABLE
FLANGE,PIPE
11065
4730-00-289-8124INTERCHANGEABLE
FLANGE,PIPE
4730-00-289-8125INTERCHANGEABLE
FLANGE,PIPE
4730-00-289-8127INTERCHANGEABLE
FLANGE,PIPE

Frequently Asked Questions

What is NSN 4730-00-289-8120?

NSN 4730-00-289-8120 is a Flange,pipe, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-289-8120?

NSN 4730-00-289-8120 has 2 cross-referenced part numbers: B16-5SCHEDULE80 (American National Standards Institute Incorporated Dba American National Standards Institute), B16-5-1961 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-289-8120?

There are 12 known substitutes for 4730-00-289-8120: 4730-00-066-0150, 4730-00-256-8505, 4730-00-256-8506 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B16-5SCHEDULE80?

Key specifications for B16-5SCHEDULE80: Bolt Circle Diameter: 3.250 INCHES NOMINAL IN; Maximum Operating Temp and Media for Which Designed: 975.0 FAHRENHEIT STEAM DEGF; Material Document and Classification: MIL-S-18410,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE; Material: STEEL. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com