PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401832-1Elbow,flange to Boss

Eaton Industries S. De R.l. De C.v. · NSN 4730-01-268-2416 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-268-2416 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-268-2416. Primary manufacturer part number: 401832-1.
Features
  • Elbow,flange to Boss — FSC 4730
  • Material: ALUMINUM ALLOY 2024 SLEEVE
  • Surface Treatment Document and Classification: MIL-A-8625,TYII,CLI MIL SPEC SINGLE TREATMENT RESPONSE FLANGE
  • Flow Angle: 90.0 DEGREES
  • Thread Series Designator: UN SECOND END
  • Surface Treatment: ANODIZE FLANGE
  • Inlet Location: HIGH HEEL SINGLE INLET
  • Nominal Thread Size: 3.000 INCHES SECOND END IN
Applications
  • Applications requiring Aluminum Alloy 2024 Sleeve construction
General Description

The Elbow,flange to Boss, cataloged under National Stock Number 4730-01-268-2416, 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 Industries S. De R.l. De C.v.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN4730-01-268-2416
Primary Part Number401832-1
Item NameElbow,flange to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Industries S. De R.l. De C.v.
StatusACTIVE
MaterialALUMINUM ALLOY 2024 SLEEVE
Surface Treatment Document and ClassificationMIL-A-8625,TYII,CLI MIL SPEC SINGLE TREATMENT RESPONSE FLANGE
Flow Angle90.0 DEGREES
Thread Series DesignatorUN SECOND END
Surface TreatmentANODIZE FLANGE
Inlet LocationHIGH HEEL SINGLE INLET
Nominal Thread Size3.000 INCHES SECOND END IN
MaterialALUMINUM ALLOY 2024 FLANGE
Nominal Thickness0.156 INCHES FIRST END IN
Nominal Outside Diameter4.500 INCHES FIRST END IN
Thread Class2A SECOND END A
MaterialALUMINUM ALLOY 2024 SLEEVEUNABLE TO DECODE
Nominal Thread Size0.438 INCHES INLET IN
Bolt Circle Nominal Diameter3.812 INCHES FIRST END IN
Surface TreatmentANODIZE SLEEVEUNABLE TO DECODE
Bolt Hole Nominal Diameter0.213 INCHES FIRST ENDUNABLE TO DECODE IN
Bolt Hole Nominal Diameter0.213 INCHES FIRST END IN
Surface Treatment Document and ClassificationMIL-A-8625,TYII,CLI MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE
MaterialALUMINUM ALLOY 6061 ELBOW
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) INLET
Surface Treatment Document and ClassificationMIL-A-8625,TYII,CLI MIL SPEC SINGLE TREATMENT RESPONSE SLEEVEUNABLE TO DECODE
Raised Face Nominal Height1.060 INCHES FIRST ENDUNABLE TO DECODE IN
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FLANGEUNABLE TO DECODE
Thread Series DesignatorUN SECOND ENDUNABLE TO DECODE
Thread Class3B INLET
Surface Treatment Document and ClassificationMIL-A-8625,TYII,CLI MIL SPEC SINGLE TREATMENT RESPONSE FLANGEUNABLE TO DECODE
MaterialALUMINUM ALLOY 6061 ELBOWUNABLE TO DECODE
MaterialALUMINUM ALLOY 2024 FLANGEUNABLE TO DECODE
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FLANGE
Raised Face Nominal Diameter3.080 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-035-788140-183-2 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5307-00-801-4777 INTERCHANGEABLE
Stud,plain
Cross-Reference Index
Part NumberManufacturer
401832-1 Eaton Aviation Corporation (USA)
401832-1 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
401832 Eaton Aviation Corporation (USA)
401832-1 PRIMARY Eaton Industries S. De R.l. De C.v. (MEX)
Related Parts
5999-00-035-7881INTERCHANGEABLE
CONTACT,ELECTRICAL
40-183-2
5307-00-801-4777INTERCHANGEABLE
STUD,PLAIN

Frequently Asked Questions

What is NSN 4730-01-268-2416?

NSN 4730-01-268-2416 is a Elbow,flange to Boss, manufactured by Eaton Industries S. De R.l. De C.v., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-268-2416?

NSN 4730-01-268-2416 has 4 cross-referenced part numbers: 401832-1 (Eaton Aviation Corporation), 401832-1 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 401832 (Eaton Aviation Corporation), 401832-1 (Eaton Industries S. De R.l. De C.v.).

What NSN replaces 4730-01-268-2416?

There are 2 known substitutes for 4730-01-268-2416: 5999-00-035-7881, 5307-00-801-4777. Verify interchangeability with system specifications before substitution.

What are the specifications of 401832-1?

Key specifications for 401832-1: Material: ALUMINUM ALLOY 2024 SLEEVE; Surface Treatment Document and Classification: MIL-A-8625,TYII,CLI MIL SPEC SINGLE TREATMENT RESPONSE FLANGE; Flow Angle: 90.0 DEGREES; Thread Series Designator: UN SECOND END. 30 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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