PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16.5 3IN.Flange,pipe

Guyon General Piping Inc P O Box 1608 Hopewell VA 23860-1163 · NSN 4730-01-332-0209 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-332-0209 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-332-0209. Primary manufacturer part number: B16.5 3IN..
Features
  • Flange,pipe — FSC 4730
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Nondefinitive Spec/std Data: 18 TABLE
  • Material: STEEL
  • Specification/standard Data: 80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
  • Flange Diameter: 8.250 INCHES NOMINAL IN
  • Bolt Hole Quantity: 8
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-332-0209, 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 Guyon General Piping Inc P O Box 1608 Hopewell VA 23860-1163. Government technical data includes 16 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
NSN4730-01-332-0209
Primary Part NumberB16.5 3IN.
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGuyon General Piping Inc P O Box 1608 Hopewell VA 23860-1163
StatusACTIVE
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Nondefinitive Spec/std Data18 TABLE
MaterialSTEEL
Specification/standard Data80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Material Document and ClassificationASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
Flange Diameter8.250 INCHES NOMINAL IN
Bolt Hole Quantity8
Bolt Circle Diameter6.625 INCHES NOMINAL IN
Raised Face Height0.500 INCHES NOMINAL IN
Thickness1.250 INCHES NOMINAL IN
Neck Height2.000 INCHES NOMINAL IN
Face Seating Surface ConditionMACHINED
Bolt Hole Diameter0.750 INCHES NOMINAL IN
Nominal Pipe Size for Which Designed3.000 INCHES IN
Raised Face Diameter5.000 INCHES NOMINAL IN
Flange Section StyleRAISED FACE, WELDING NECK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-289-963160 1 1/2IPS INTERCHANGEABLE
Flange,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
Cross-Reference Index
Part NumberManufacturer
B16.5 3IN. Guyon General Piping Inc P O Box 1608 Hopewell VA 23860-1163 (USA)
3IN. IPS BUTT WELD FLANGE Mcjunkin Corp (USA)
62B06 3IN. Crane Co Midwest Fittings Div (USA)
ASME B16.5 The American Society of Mechanical Engineers (USA)
ANSI B16.5 3IN.IPS. American National Standards Institute Incorporated Dba American National Standards Institute (USA)
ANSI-B16.5,ASTM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-01-289-9631INTERCHANGEABLE
FLANGE,PIPE
60 1 1/2IPS

Frequently Asked Questions

What is NSN 4730-01-332-0209?

NSN 4730-01-332-0209 is a Flange,pipe, manufactured by Guyon General Piping Inc P O Box 1608 Hopewell VA 23860-1163, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-332-0209?

NSN 4730-01-332-0209 has 6 cross-referenced part numbers: B16.5 3IN. (Guyon General Piping Inc P O Box 1608 Hopewell VA 23860-1163), 3IN. IPS BUTT WELD FLANGE (Mcjunkin Corp), 62B06 3IN. (Crane Co Midwest Fittings Div), ASME B16.5 (The American Society of Mechanical Engineers), ANSI B16.5 3IN.IPS. (American National Standards Institute Incorporated Dba American National Standards Institute) and 1 more.

What NSN replaces 4730-01-332-0209?

There is 1 known substitute for 4730-01-332-0209: 4730-01-289-9631. Verify interchangeability with system specifications before substitution.

What are the specifications of B16.5 3IN.?

Key specifications for B16.5 3IN.: Style Designator: ROUND, ONE BOLT HOLE CIRCLE; Nondefinitive Spec/std Data: 18 TABLE; Material: STEEL; Specification/standard Data: 80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 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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