PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M83798/5-20Elbow,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-533-2850 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-533-2850 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-533-2850. Primary manufacturer part number: M83798/5-20.
Features
  • Elbow,tube to Hose — FSC 4730
  • Nominal Thread Size: 1.625 INCHES FIRST END IN
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nominal Inside Diameter Hose Accommodated: 1.125 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END
  • Material: ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL
  • Nominal Outside Diameter Hose Accommodated: 1.437 INCHES SECOND END IN
  • Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 2024 or Aluminum Alloy 6061 Overall construction
General Description

The Elbow,tube to Hose, cataloged under National Stock Number 4730-00-533-2850, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-533-2850
Primary Part NumberM83798/5-20
Item NameElbow,tube 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
StatusCANCELLED
Nominal Thread Size1.625 INCHES FIRST END IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Inside Diameter Hose Accommodated1.125 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
MaterialALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL
Nominal Outside Diameter Hose Accommodated1.437 INCHES SECOND END IN
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Seat Angle12.0 DEGREES FIRST END
Nominal Outside Diameter Tube Accommodated1.250 INCHES FIRST END IN
Media for Which DesignedFLUID SINGLE RESPONSE
Flow Angle45.0 DEGREES
Thread Series DesignatorUNIFIED NATIONAL JOINT (UNJ) FIRST END
Surface TreatmentANODIZE OVERALL
Thread Quantity Per Inch12 FIRST END
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class3B FIRST END
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Connection StyleSWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
Leg Length3.650 INCHES NOMINAL SECOND END IN
Leg Length1.155 INCHES NOMINAL FIRST END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-087-1010 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-087-1016 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-813-6923 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-136-0765 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-240-6110 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-526-5982 INTERCHANGEABLE
Elbow,tube to Hose
Cross-Reference Index
Part NumberManufacturer
M83798/5-20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-83796 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-83798A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
880112-20D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
MIL-DTL-83798/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-83798-5A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-087-1010INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-087-1016INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-813-6923INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-136-0765INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-240-6110INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-526-5982INTERCHANGEABLE
ELBOW,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-00-533-2850?

NSN 4730-00-533-2850 is a Elbow,tube 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: cancelled.

What are the part numbers for NSN 4730-00-533-2850?

NSN 4730-00-533-2850 has 6 cross-referenced part numbers: M83798/5-20 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-H-83796 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-83798A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 880112-20D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), MIL-DTL-83798/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 4730-00-533-2850?

There are 6 known substitutes for 4730-00-533-2850: 4730-00-087-1010, 4730-00-087-1016, 4730-00-813-6923 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M83798/5-20?

Key specifications for M83798/5-20: Nominal Thread Size: 1.625 INCHES FIRST END IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Nominal Inside Diameter Hose Accommodated: 1.125 INCHES SECOND END IN; Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-533-2850 still in active supply?

NSN 4730-00-533-2850 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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