PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R31AB3-0250FOFlange,pipe

Eaton Corporation Div Fed · NSN 4730-01-711-2083 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-711-2083 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-711-2083. Primary manufacturer part number: R31AB3-0250FO.
Features
  • Flange,pipe — FSC 4730
  • Style Designator: ROUND, NO BOLT HOLES
  • Flange Section Style: RAISED FACE SOCKET NECK (BULK HEAD)
  • Material: ALUMINUM ALLOY 6061
  • Tube Outside Diameter for Which Designed: 2.50 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Eaton Corporation Div Fed
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-711-2083, 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 Eaton Corporation Div Fed. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-711-2083
Primary Part NumberR31AB3-0250FO
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Corporation Div Fed
StatusACTIVE
Style DesignatorROUND, NO BOLT HOLES
Flange Section StyleRAISED FACE SOCKET NECK (BULK HEAD)
MaterialALUMINUM ALLOY 6061
Tube Outside Diameter for Which Designed2.50 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2910-00-495-05941537897 INTERCHANGEABLE
Pump
General Motors Corp
5895-00-509-9079 INTERCHANGEABLE
Resistor Box Assy
3110-00-555-5432 INTERCHANGEABLE
Bearing,ball,annular
2910-00-774-4275119257 INTERCHANGEABLE
Pump,fuel,cam Actuated
Am General Llc
5305-00-969-05077766 INTERCHANGEABLE
Screw,machine
Air & Liquid Systems Corporation Dba Buffalo Pumps
5998-01-080-56967766 INTERCHANGEABLE
Circuit Card Assembly
Drs Signal Solutions, Inc.
5998-01-096-20972918800 INTERCHANGEABLE
Printed Circuit Board
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-01-160-802010511071 INTERCHANGEABLE
Bearing,roller,needle
General Dynamics Land Systems Canadacorp
5340-01-374-72187766 INTERCHANGEABLE
Hinge,access Door
Carlisle & Finch Co
5340-01-549-83600776600 INTERCHANGEABLE
Lever,manual Control
Titan Tire Corporation
Cross-Reference Index
Part NumberManufacturer
R31AB3-0250FO PRIMARY Eaton Corporation Div Fed (USA)
7766 Eaton Corporation Div Fed (USA)
Related Parts
2910-00-495-0594INTERCHANGEABLE
PUMP
1537897
5895-00-509-9079INTERCHANGEABLE
RESISTOR BOX ASSY
3110-00-555-5432INTERCHANGEABLE
BEARING,BALL,ANNULAR
2910-00-774-4275INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
119257
5305-00-969-0507INTERCHANGEABLE
SCREW,MACHINE
7766
5998-01-080-5696INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
7766
5998-01-096-2097INTERCHANGEABLE
PRINTED CIRCUIT BOARD
2918800
3110-01-160-8020INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
10511071
5340-01-374-7218INTERCHANGEABLE
HINGE,ACCESS DOOR
7766
5340-01-549-8360INTERCHANGEABLE
LEVER,MANUAL CONTROL
0776600
4730-01-707-5178INTERCHANGEABLE
FLANGE,PIPE
R31AB3-0500F0

Frequently Asked Questions

What is NSN 4730-01-711-2083?

NSN 4730-01-711-2083 is a Flange,pipe, manufactured by Eaton Corporation Div Fed, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-711-2083?

NSN 4730-01-711-2083 has 2 cross-referenced part numbers: R31AB3-0250FO (Eaton Corporation Div Fed), 7766 (Eaton Corporation Div Fed).

What NSN replaces 4730-01-711-2083?

There are 11 known substitutes for 4730-01-711-2083: 2910-00-495-0594, 5895-00-509-9079, 3110-00-555-5432 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R31AB3-0250FO?

Key specifications for R31AB3-0250FO: Style Designator: ROUND, NO BOLT HOLES; Flange Section Style: RAISED FACE SOCKET NECK (BULK HEAD); Material: ALUMINUM ALLOY 6061; Tube Outside Diameter for Which Designed: 2.50 INCHES NOMINAL IN. 5 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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