PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60 1 1/2IPSFlange,pipe

Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy · NSN 4730-01-289-9631 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-289-9631 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-289-9631. Primary manufacturer part number: 60 1 1/2IPS.
Features
  • Flange,pipe — FSC 4730
  • Raised Face Height: 0.250 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 18 TABLE
  • Nominal Pipe Size for Which Designed: 1.500 INCHES IN
  • Bolt Hole Diameter: 0.750 INCHES NOMINAL IN
  • Thickness: 0.875 INCHES NOMINAL IN
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-289-9631, 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 Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-289-9631
Primary Part Number60 1 1/2IPS
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAti Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
StatusCANCELLED
Raised Face Height0.250 INCHES NOMINAL IN
Nondefinitive Spec/std Data18 TABLE
Nominal Pipe Size for Which Designed1.500 INCHES IN
Bolt Hole Diameter0.750 INCHES NOMINAL IN
Thickness0.875 INCHES NOMINAL IN
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Material Document and ClassificationASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
Specification/standard Data80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL
Raised Face Diameter2.875 INCHES NOMINAL IN
Bolt Circle Diameter4.500 INCHES NOMINAL IN
Bolt Hole Quantity4
Face Seating Surface ConditionMACHINED
Neck Height1.875 INCHES NOMINAL IN
Flange Section StyleRAISED FACE, WELDING NECK
Flange Diameter6.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6680-00-009-0210AT21534 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
Deere & Co
5935-00-403-4051462 INTERCHANGEABLE
Plug,tip
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5330-00-958-479121534 INTERCHANGEABLE
Gasket
Aerosonic Llc
5970-01-234-6602 INTERCHANGEABLE
Insulator,electrical
4730-01-332-0209 INTERCHANGEABLE
Flange,pipe
3770-01-588-893621534 INTERCHANGEABLE
Cage,animal
Petmate
Cross-Reference Index
Part NumberManufacturer
ANSI B16.5 1 1/2IN.NPT/ASTM A105 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
ANSI B16.5 1 1/2IN.IPS American National Standards Institute Incorporated Dba American National Standards Institute (USA)
ANSI-B16.5/ASTM Federal Specifications Promulgated by General Services Administration Washington DC (USA)
60 1 1/2NPT STEEL Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA)
60 1 1/2IPS PRIMARY Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA)
21534 Crane Co Midwest Fittings Div (USA)
Related Parts
6680-00-009-0210INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
AT21534
5935-00-403-4051INTERCHANGEABLE
PLUG,TIP
462
5330-00-958-4791INTERCHANGEABLE
GASKET
21534
5970-01-234-6602INTERCHANGEABLE
INSULATOR,ELECTRICAL
4730-01-332-0209INTERCHANGEABLE
FLANGE,PIPE
3770-01-588-8936INTERCHANGEABLE
CAGE,ANIMAL
21534

Frequently Asked Questions

What is NSN 4730-01-289-9631?

NSN 4730-01-289-9631 is a Flange,pipe, manufactured by Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-289-9631?

NSN 4730-01-289-9631 has 6 cross-referenced part numbers: ANSI B16.5 1 1/2IN.NPT/ASTM A105 (American National Standards Institute Incorporated Dba American National Standards Institute), ANSI B16.5 1 1/2IN.IPS (American National Standards Institute Incorporated Dba American National Standards Institute), ANSI-B16.5/ASTM (Federal Specifications Promulgated by General Services Administration Washington DC), 60 1 1/2NPT STEEL (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), 60 1 1/2IPS (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy) and 1 more.

What NSN replaces 4730-01-289-9631?

There are 6 known substitutes for 4730-01-289-9631: 6680-00-009-0210, 5935-00-403-4051, 5330-00-958-4791 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 60 1 1/2IPS?

Key specifications for 60 1 1/2IPS: Raised Face Height: 0.250 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 18 TABLE; Nominal Pipe Size for Which Designed: 1.500 INCHES IN; Bolt Hole Diameter: 0.750 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-289-9631 still in active supply?

NSN 4730-01-289-9631 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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