PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8844-20DConnector,swivel Flange to Hose

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4730-01-221-5558 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-221-5558 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-221-5558. Primary manufacturer part number: 8844-20D.
Features
  • Connector,swivel Flange to Hose — FSC 4730
  • Nominal Thickness: 0.234 INCHES FIRST END IN
  • Material Document and Classification: QQ-A-225/6 T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 T851 FED SPEC SINGLE MATERIAL RESPONSE SOCKET
  • Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material Document and Classification: QQ-A-225/8 T6 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE NIPPLE
  • Nondefinitive Spec/std Data: 1-1/4 SIZE
  • Specification/standard Data: 81349-MIL-F-83798 GOVERNMENT SPECIFICATION
  • Nominal Inside Diameter Hose Accommodated: 1.125 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Electrical interconnection
  • Signal interface mating
General Description

The Connector,swivel Flange to Hose, cataloged under National Stock Number 4730-01-221-5558, 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 Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-221-5558
Primary Part Number8844-20D
Item NameConnector,swivel Flange to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusACTIVE
Nominal Thickness0.234 INCHES FIRST END IN
Material Document and ClassificationQQ-A-225/6 T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 T851 FED SPEC SINGLE MATERIAL RESPONSE SOCKET
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationQQ-A-225/8 T6 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE NIPPLE
Nondefinitive Spec/std Data1-1/4 SIZE
Specification/standard Data81349-MIL-F-83798 GOVERNMENT SPECIFICATION
Nominal Inside Diameter Hose Accommodated1.125 INCHES SECOND END IN
MaterialALUMINUM ALLOY 6061 NIPPLE
Media for Which DesignedFUEL SINGLE RESPONSE
Nominal Width2.188 INCHES FIRST END IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentANODIZE OVERALL
Flange Face DesignPLAIN SWIVEL FIRST END
Nominal Overall Length2.820 INCHES IN
Center to Center Nominal Distance Between Bolt Holes Along Width1.688 INCHES FIRST END IN
Flange ShapeRECTANGULAR WITH HOLES FIRST END
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Connection TypeFLANGE FIRST END
Center to Center Nominal Distance Between Bolt Holes Along Length1.688 INCHES FIRST END IN
Connection StyleGRIPPING (HOSE) SECOND END
Nominal Length2.188 INCHES FIRST END IN
MaterialALUMINUM ALLOY 2024 SOCKET
MaterialALUMINUM ALLOY 2014 FLANGE
Bolt Hole Quantity4 FIRST END
Maximum Operating Temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter Hose Accommodated1.437 INCHES SECOND END IN
Bolt Hole Nominal Diameter0.266 INCHES FIRST END IN
Material Document and ClassificationQQ-A-367 T6 FED SPEC SINGLE MATERIAL RESPONSE FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-891-09718844-24D INTERCHANGEABLE
Connector,swivel Flange to Hose
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-095-3432 INTERCHANGEABLE
Connector,swivel Flange to Hose
4730-01-220-9884 INTERCHANGEABLE
Connector,swivel Flange to Hose
Cross-Reference Index
Part NumberManufacturer
8844-20D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
M83798/7-20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-83798 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-83798/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-891-0971INTERCHANGEABLE
CONNECTOR,SWIVEL FLANGE TO HOSE
8844-24D
4730-01-095-3432INTERCHANGEABLE
CONNECTOR,SWIVEL FLANGE TO HOSE
4730-01-220-9884INTERCHANGEABLE
CONNECTOR,SWIVEL FLANGE TO HOSE

Frequently Asked Questions

What is NSN 4730-01-221-5558?

NSN 4730-01-221-5558 is a Connector,swivel Flange to Hose, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-221-5558?

NSN 4730-01-221-5558 has 4 cross-referenced part numbers: 8844-20D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), M83798/7-20 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-83798 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-83798/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-221-5558?

There are 3 known substitutes for 4730-01-221-5558: 4730-00-891-0971, 4730-01-095-3432, 4730-01-220-9884. Verify interchangeability with system specifications before substitution.

What are the specifications of 8844-20D?

Key specifications for 8844-20D: Nominal Thickness: 0.234 INCHES FIRST END IN; Material Document and Classification: QQ-A-225/6 T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 T851 FED SPEC SINGLE MATERIAL RESPONSE SOCKET; Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material Document and Classification: QQ-A-225/8 T6 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE NIPPLE. 28 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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