PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M83798/9-16Elbow,swivel Flange to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-078-8600 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-078-8600 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-078-8600. Primary manufacturer part number: M83798/9-16.
Features
  • Elbow,swivel Flange to Hose — FSC 4730
  • Nominal Inside Diameter Hose Accommodated: 0.875 INCHES SECOND END IN
  • Connection Style: GRIPPING NIPPLE (NOSE) SECOND END
  • Material: ALUMINUM ALLOY OVERALL
  • Flange Shape: ROUND FIRST END
  • Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END
  • Connection Type: FLANGE FIRST END
  • Specification/standard Data: 81349-MIL-DTL-83798/9 GOVERNMENT SPECIFICATION
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Elbow,swivel Flange to Hose, cataloged under National Stock Number 4730-01-078-8600, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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
NSN4730-01-078-8600
Primary Part NumberM83798/9-16
Item NameElbow,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
Nominal Inside Diameter Hose Accommodated0.875 INCHES SECOND END IN
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
MaterialALUMINUM ALLOY OVERALL
Flange ShapeROUND FIRST END
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Connection TypeFLANGE FIRST END
Specification/standard Data81349-MIL-DTL-83798/9 GOVERNMENT SPECIFICATION
Nominal Thickness0.315 INCHES FIRST END IN
Nominal Outside Diameter Hose Accommodated1.140 INCHES SECOND END IN
Leg Length2.843 INCHES NOMINAL SECOND END IN
Flange Face DesignRAISED SWIVEL FIRST END
Nominal Outside Diameter1.750 INCHES FIRST END IN
Surface TreatmentANODIZE OVERALL
Operating Pressure800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length2.046 INCHES NOMINAL FIRST END IN
Flow Angle90.0 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-087-1016 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-403-0886 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-541-8234 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-555-3749 INTERCHANGEABLE
Elbow,swivel Flange 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
4730-00-652-1802 INTERCHANGEABLE
Elbow,tube to Hose
Cross-Reference Index
Part NumberManufacturer
M83798/9-16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-83798/9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
136-3090-16D Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
M83798/9-16D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
685-16D 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
8890-16D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
136-3090-16D Hydrasearch Company, Llc (USA)
Related Parts
4730-00-087-1016INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-403-0886INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-541-8234INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-555-3749INTERCHANGEABLE
ELBOW,SWIVEL FLANGE 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
4730-00-652-1802INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-813-6923INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-891-1947INTERCHANGEABLE
ELBOW,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-01-078-8600?

NSN 4730-01-078-8600 is a Elbow,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 4730-01-078-8600?

NSN 4730-01-078-8600 has 9 cross-referenced part numbers: M83798/9-16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-83798/9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 136-3090-16D (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), M83798/9-16D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 685-16D (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division) and 4 more.

What NSN replaces 4730-01-078-8600?

There are 12 known substitutes for 4730-01-078-8600: 4730-00-087-1016, 4730-00-403-0886, 4730-00-541-8234 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M83798/9-16?

Key specifications for M83798/9-16: Nominal Inside Diameter Hose Accommodated: 0.875 INCHES SECOND END IN; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Material: ALUMINUM ALLOY OVERALL; Flange Shape: ROUND FIRST END. 16 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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