PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16-5-1961Flange,pipe

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 4730-00-066-0150 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-066-0150 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-066-0150. Primary manufacturer part number: B16-5-1961.
Features
  • Flange,pipe — FSC 4730
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Nominal Pipe Size for Which Designed: 6.000 INCHES IN
  • Raised Face Diameter: 8.500 INCHES NOMINAL IN
  • Material Document and Classification: ASTM A181,GR1 ASSN STD SINGLE MATERIAL RESPONSE
  • Neck Height: 0.562 INCHES NOMINAL IN
  • Material: STEEL
  • Raised Face Height: 0.062 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 4730-00-066-0150, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4730-00-066-0150
Primary Part NumberB16-5-1961
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Nominal Pipe Size for Which Designed6.000 INCHES IN
Raised Face Diameter8.500 INCHES NOMINAL IN
Material Document and ClassificationASTM A181,GR1 ASSN STD SINGLE MATERIAL RESPONSE
Neck Height0.562 INCHES NOMINAL IN
MaterialSTEEL
Raised Face Height0.062 INCHES NOMINAL IN
Bolt Hole Diameter0.875 INCHES NOMINAL IN
Flange Section StyleRAISED FACE, WELDING NECK
Flange Diameter11.000 INCHES NOMINAL IN
Face Seating Surface ConditionSERRATED
Bolt Hole Quantity8
Thickness1.000 INCHES NOMINAL IN
Bolt Circle Diameter9.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
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
4730-00-289-8120 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
B16-5-1961 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
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
4730-00-289-8120INTERCHANGEABLE
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 4730-00-066-0150?

NSN 4730-00-066-0150 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 4730-00-066-0150?

NSN 4730-00-066-0150 has 1 cross-referenced part number: B16-5-1961 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-066-0150?

There are 12 known substitutes for 4730-00-066-0150: 4730-00-256-8505, 4730-00-256-8506, 4730-00-256-8507 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B16-5-1961?

Key specifications for B16-5-1961: Style Designator: ROUND, ONE BOLT HOLE CIRCLE; Nominal Pipe Size for Which Designed: 6.000 INCHES IN; Raised Face Diameter: 8.500 INCHES NOMINAL IN; Material Document and Classification: ASTM A181,GR1 ASSN STD SINGLE MATERIAL RESPONSE. 14 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