PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M83798/7-12Connector,swivel Flange to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-220-9884 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-220-9884 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-220-9884. Primary manufacturer part number: M83798/7-12.
Features
  • Connector,swivel Flange to Hose — FSC 4730
  • Material: ALUMINUM ALLOY 2014 FLANGE
  • Connection Style: GRIPPING (HOSE) SECOND END
  • Nominal Thickness: 0.234 INCHES FIRST END IN
  • Bolt Hole Nominal Diameter: 0.205 INCHES FIRST END IN
  • Material: ALUMINUM ALLOY 6061 NIPPLE
  • Nominal Outside Diameter Hose Accommodated: 0.938 INCHES SECOND END IN
  • Material: ALUMINUM ALLOY 2024 SOCKET
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 4730-01-220-9884, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. 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
NSN4730-01-220-9884
Primary Part NumberM83798/7-12
Item NameConnector,swivel Flange to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialALUMINUM ALLOY 2014 FLANGE
Connection StyleGRIPPING (HOSE) SECOND END
Nominal Thickness0.234 INCHES FIRST END IN
Bolt Hole Nominal Diameter0.205 INCHES FIRST END IN
MaterialALUMINUM ALLOY 6061 NIPPLE
Nominal Outside Diameter Hose Accommodated0.938 INCHES SECOND END IN
MaterialALUMINUM ALLOY 2024 SOCKET
Center to Center Nominal Distance Between Bolt Holes Along Length1.125 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Maximum Operating Temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Inside Diameter Hose Accommodated0.688 INCHES SECOND END IN
Nominal Overall Length2.290 INCHES IN
Surface TreatmentANODIZE OVERALL
Material Document and ClassificationQQ-A-225/8 T6 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE NIPPLE
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nondefinitive Spec/std Data3/4 SIZE
Media for Which DesignedFUEL SINGLE RESPONSE
Specification/standard Data81349-MIL-F-83798 GOVERNMENT SPECIFICATION
Bolt Hole Quantity4 FIRST END
Center to Center Nominal Distance Between Bolt Holes Along Width1.125 INCHES FIRST END IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
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
Nominal Length1.594 INCHES FIRST END IN
Nominal Width1.594 INCHES FIRST END IN
Connection TypeFLANGE FIRST END
Flange ShapeRECTANGULAR WITH HOLES FIRST END
Flange Face DesignPLAIN SWIVEL FIRST END
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
4730-01-221-5558 INTERCHANGEABLE
Connector,swivel Flange to Hose
Cross-Reference Index
Part NumberManufacturer
M83798/7-12 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
8844-12D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
MIL-F-83798 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
4730-01-221-5558INTERCHANGEABLE
CONNECTOR,SWIVEL FLANGE TO HOSE

Frequently Asked Questions

What is NSN 4730-01-220-9884?

NSN 4730-01-220-9884 is a Connector,swivel Flange to Hose, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-220-9884?

NSN 4730-01-220-9884 has 4 cross-referenced part numbers: M83798/7-12 (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), 8844-12D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), MIL-F-83798 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-220-9884?

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

What are the specifications of M83798/7-12?

Key specifications for M83798/7-12: Material: ALUMINUM ALLOY 2014 FLANGE; Connection Style: GRIPPING (HOSE) SECOND END; Nominal Thickness: 0.234 INCHES FIRST END IN; Bolt Hole Nominal Diameter: 0.205 INCHES FIRST END IN. 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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