PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASME B16.5Flange,pipe

The American Society of Mechanical Engineers · NSN 4730-01-022-5679 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-022-5679 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-022-5679. Primary manufacturer part number: ASME B16.5.
Features
  • Flange,pipe — FSC 4730
  • Socket Diameter: 1.700 INCHES NOMINAL IN
  • Material Document and Classification: ASTM A105 MIL SPEC SINGLE MATERIAL RESPONSE
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Material: STEEL
  • 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 Hole Quantity: 4
  • Socket Depth: 0.562 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 4730-01-022-5679, 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 The American Society of Mechanical Engineers. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 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
NSN4730-01-022-5679
Primary Part NumberASME B16.5
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Socket Diameter1.700 INCHES NOMINAL IN
Material Document and ClassificationASTM A105 MIL SPEC SINGLE MATERIAL RESPONSE
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
MaterialSTEEL
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 Hole Quantity4
Socket Depth0.562 INCHES NOMINAL IN
Raised Face Diameter2.500 INCHES NOMINAL IN
Flange Section StyleRAISED FACE, SOCKET NECK
Flange Diameter4.625 INCHES NOMINAL IN
Bolt Circle Diameter3.500 INCHES NOMINAL IN
Thickness0.562 INCHES NOMINAL IN
Nominal Pipe Size for Which Designed1.250 INCHES IN
Neck Height0.188 INCHES NOMINAL IN
Face Seating Surface ConditionGROUND
Specification/standard Data80204-B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Bolt Hole Diameter0.500 INCHES NOMINAL IN
Raised Face Height0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-235-4078 INTERCHANGEABLE
Flange,pipe
5330-00-466-3688 INTERCHANGEABLE
Packing,preformed
5331-01-087-0685 INTERCHANGEABLE
O-Ring
4730-01-181-3620 INTERCHANGEABLE
Flange,pipe
4730-01-186-8701 INTERCHANGEABLE
Flange,pipe
4820-01-216-1533 INTERCHANGEABLE
Adapter,union,valve
4730-01-267-206120-2 1/2 INTERCHANGEABLE
Flange,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
5999-01-407-3930013000-295 INTERCHANGEABLE
Contact Assembly,electrical
Mackay Communications Inc Dba Mackay Marine
6520-01-480-797529513 INTERCHANGEABLE
Syringe,dental Filling Material
Kerr Corporation
6850-01-499-358911-010-HT INTERCHANGEABLE
Sealer,chemical
Palm Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
ASME B16.5 The American Society of Mechanical Engineers (USA)
B16-5-1-1-4IN-IPS150PSI-PP-FLGE American National Standards Institute Incorporated Dba American National Standards Institute (USA)
20-1-1/4 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)
MIL-F-18180/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1818012 04A01 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-18180 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SW-7182-1-1/4 Flowserve Inc (USA)
20-1 1/4 ASTMA- Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA)
29513 Crane Co Midwest Fittings Div (USA)
Related Parts
4730-00-235-4078INTERCHANGEABLE
FLANGE,PIPE
5330-00-466-3688INTERCHANGEABLE
PACKING,PREFORMED
5331-01-087-0685INTERCHANGEABLE
O-RING
4730-01-181-3620INTERCHANGEABLE
FLANGE,PIPE
4730-01-186-8701INTERCHANGEABLE
FLANGE,PIPE
4820-01-216-1533INTERCHANGEABLE
ADAPTER,UNION,VALVE
4730-01-267-2061INTERCHANGEABLE
FLANGE,PIPE
20-2 1/2
5999-01-407-3930INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
013000-295
6520-01-480-7975INTERCHANGEABLE
SYRINGE,DENTAL FILLING MATERIAL
29513
6850-01-499-3589INTERCHANGEABLE
SEALER,CHEMICAL
11-010-HT

Frequently Asked Questions

What is NSN 4730-01-022-5679?

NSN 4730-01-022-5679 is a Flange,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-022-5679?

NSN 4730-01-022-5679 has 10 cross-referenced part numbers: ASME B16.5 (The American Society of Mechanical Engineers), B16-5-1-1-4IN-IPS150PSI-PP-FLGE (American National Standards Institute Incorporated Dba American National Standards Institute), 20-1-1/4 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), B16.5 (American National Standards Institute Incorporated Dba American National Standards Institute), MIL-F-18180/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 4730-01-022-5679?

There are 10 known substitutes for 4730-01-022-5679: 4730-00-235-4078, 5330-00-466-3688, 5331-01-087-0685 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASME B16.5?

Key specifications for ASME B16.5: Socket Diameter: 1.700 INCHES NOMINAL IN; Material Document and Classification: ASTM A105 MIL SPEC SINGLE MATERIAL RESPONSE; Style Designator: ROUND, ONE BOLT HOLE CIRCLE; Material: STEEL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-022-5679 still in active supply?

NSN 4730-01-022-5679 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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