PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15030-1Flange,pipe

Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy · NSN 4730-01-407-9291 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-407-9291 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-407-9291. Primary manufacturer part number: 15030-1.
Features
  • Flange,pipe — FSC 4730
  • Material: STEEL
  • Neck Height: 1.062 INCHES NOMINAL IN
  • Bolt Circle Diameter: 3.500 INCHES NOMINAL IN
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Bolt Hole Diameter: 0.750 INCHES NOMINAL IN
  • Flange Section Style: PLAIN FACE, RAISED NECK
  • Thickness: 0.688 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 4730-01-407-9291, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-407-9291
Primary Part Number15030-1
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAti Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
StatusACTIVE
MaterialSTEEL
Neck Height1.062 INCHES NOMINAL IN
Bolt Circle Diameter3.500 INCHES NOMINAL IN
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter0.750 INCHES NOMINAL IN
Flange Section StylePLAIN FACE, RAISED NECK
Thickness0.688 INCHES NOMINAL IN
Face Seating Surface ConditionMACHINED
Nominal Pipe Size for Which Designed1.000 INCHES IN
Flange Diameter4.875 INCHES NOMINAL IN
Bolt Hole Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5815-00-370-0510150301 INTERCHANGEABLE
Plate,retainer
Telemechanics Inc
5310-00-997-1888MS35649-2252 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
15030-1 PRIMARY Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA)
AD40098-41 Costello Industries, Incorporated (USA)
Related Parts
5815-00-370-0510INTERCHANGEABLE
PLATE,RETAINER
150301
5310-00-997-1888INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35649-2252

Frequently Asked Questions

What is NSN 4730-01-407-9291?

NSN 4730-01-407-9291 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: active.

What are the part numbers for NSN 4730-01-407-9291?

NSN 4730-01-407-9291 has 2 cross-referenced part numbers: 15030-1 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), AD40098-41 (Costello Industries, Incorporated).

What NSN replaces 4730-01-407-9291?

There are 2 known substitutes for 4730-01-407-9291: 5815-00-370-0510, 5310-00-997-1888. Verify interchangeability with system specifications before substitution.

What are the specifications of 15030-1?

Key specifications for 15030-1: Material: STEEL; Neck Height: 1.062 INCHES NOMINAL IN; Bolt Circle Diameter: 3.500 INCHES NOMINAL IN; Style Designator: ROUND, ONE BOLT HOLE CIRCLE. 12 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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