PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-83798/3Elbow,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-071-7917 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-071-7917 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-071-7917. Primary manufacturer part number: MIL-DTL-83798/3.
Features
  • Elbow,tube to Hose — FSC 4730
  • Material: ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL
  • Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Leg Length: 1.376 INCHES NOMINAL FIRST END IN
  • Seat Angle: 37.0 DEGREES FIRST END
  • Specification/standard Data: 81349-MIL-F-83798 GOVERNMENT SPECIFICATION
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN
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 4730-01-071-7917, 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 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-071-7917
Primary Part NumberMIL-DTL-83798/3
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
StatusACTIVE
MaterialALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeTHREADED INTERNAL TUBE FIRST END
Leg Length1.376 INCHES NOMINAL FIRST END IN
Seat Angle37.0 DEGREES FIRST END
Specification/standard Data81349-MIL-F-83798 GOVERNMENT SPECIFICATION
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size1.062 INCHES FIRST END IN
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Leg Length2.660 INCHES NOMINAL SECOND END IN
Nondefinitive Spec/std Data12 SIZE
Thread Quantity Per Inch12 FIRST END
Flow Angle90.0 DEGREES
Thread Class3B FIRST END
Connection StyleSOCKET (HOSE) SECOND END
Connection TypeUNTHREADED INTERNAL HOSE SECOND END
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Nominal Outside Diameter Hose Accommodated1.218 INCHES SECOND END IN
Nominal Inside Diameter Hose Accommodated0.687 INCHES SECOND END IN
Thread Series DesignatorUNIFIED NATIONAL JOINT (UNJ) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-087-1016 INTERCHANGEABLE
Elbow,tube to Hose
2910-00-355-3929 INTERCHANGEABLE
Valve,fuel Pump
4730-00-403-0886 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-541-8234 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-559-1600 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-580-64538891-16D INTERCHANGEABLE
Elbow,tube to Hose
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-00-585-6212 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-585-7496 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-618-7382 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-618-8862 INTERCHANGEABLE
Elbow,tube to Hose
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-83798/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
680-12D Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MIL-F-83798 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-83798 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83798/3-12 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8891-12D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
4730-00-087-1016INTERCHANGEABLE
ELBOW,TUBE TO HOSE
2910-00-355-3929INTERCHANGEABLE
VALVE,FUEL PUMP
4730-00-403-0886INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-541-8234INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-559-1600INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-580-6453INTERCHANGEABLE
ELBOW,TUBE TO HOSE
8891-16D
4730-00-585-6212INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-585-7496INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-618-7382INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-618-8862INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-652-1802INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-652-4626INTERCHANGEABLE
ELBOW,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-01-071-7917?

NSN 4730-01-071-7917 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: active.

What are the part numbers for NSN 4730-01-071-7917?

NSN 4730-01-071-7917 has 6 cross-referenced part numbers: MIL-DTL-83798/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 680-12D (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), MIL-F-83798 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-83798 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M83798/3-12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 4730-01-071-7917?

There are 12 known substitutes for 4730-01-071-7917: 4730-00-087-1016, 2910-00-355-3929, 4730-00-403-0886 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-83798/3?

Key specifications for MIL-DTL-83798/3: Material: ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL; Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Type: THREADED INTERNAL TUBE FIRST END; Leg Length: 1.376 INCHES NOMINAL FIRST END IN. 21 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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