PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-F-83798/4Adapter,straight,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-936-2363 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-936-2363 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-936-2363. Primary manufacturer part number: MIL-F-83798/4.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Surface Treatment Document and Classification: -1L-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Series Designator: UNIFIED NATIONAL JOINT (UNJ) FIRST END
  • Seat Angle: 12.0 DEGREES FIRST END
  • Nominal Outside Diameter Tube Accommodated: 1.250 INCHES FIRST END IN
  • Connection Style: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
  • Maximum Operating Temp: 121.0 FAHRENHEIT SECOND RESPONSE DEGF
  • Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-936-2363, 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 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
NSN4730-00-936-2363
Primary Part NumberMIL-F-83798/4
Item NameAdapter,straight,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
Surface Treatment Document and Classification-1L-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNIFIED NATIONAL JOINT (UNJ) FIRST END
Seat Angle12.0 DEGREES FIRST END
Nominal Outside Diameter Tube Accommodated1.250 INCHES FIRST END IN
Connection StyleSWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
Maximum Operating Temp121.0 FAHRENHEIT SECOND RESPONSE DEGF
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Furnished Items and Quantity1 HOSE COUPLING NUT
Nominal Overall Length3.290 INCHES IN
Maximum Operating Temp-54.0 FAHRENHEIT FIRST RESPONSE DEGF
Thread Quantity Per Inch12 FIRST END
MaterialALUMINUM ALLOY OVERALL
Connection TypeTHREADED INTERNAL TUBE FIRST END
Nominal Outside Diameter Hose Accommodated1.437 INCHES SECOND END IN
Nominal Thread Size1.625 INCHES FIRST END IN
Surface TreatmentANODIZE OVERALL
Specification/standard Data81349--83798/4-20 GOVERNMENT SPECIFICATION
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Inside Diameter Hose Accommodated1.125 INCHES SECOND END IN
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Thread Class3B FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-580-64538891-16D INTERCHANGEABLE
Elbow,tube to Hose
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-00-613-1859 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-618-8862 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-652-4626 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-720-1166 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-784-2544 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-795-0945 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-817-1864 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-891-9343 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-919-6785 INTERCHANGEABLE
Elbow,tube to Hose
Cross-Reference Index
Part NumberManufacturer
MIL-F-83798/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-83798/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83798/4-20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-83798/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-83798D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
136-2000-20D Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
986-20D Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
826-20D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
136-2000-20D Hydrasearch Company, Llc (USA)
Related Parts
4730-00-580-6453INTERCHANGEABLE
ELBOW,TUBE TO HOSE
8891-16D
4730-00-613-1859INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-618-8862INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-652-4626INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-720-1166INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-784-2544INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-795-0945INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-817-1864INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-891-9343INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-919-6785INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-933-0747INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-936-2362INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-00-936-2363?

NSN 4730-00-936-2363 is a Adapter,straight,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 4730-00-936-2363?

NSN 4730-00-936-2363 has 9 cross-referenced part numbers: MIL-F-83798/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-83798/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M83798/4-20 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-83798/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-83798D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 4730-00-936-2363?

There are 12 known substitutes for 4730-00-936-2363: 4730-00-580-6453, 4730-00-613-1859, 4730-00-618-8862 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-F-83798/4?

Key specifications for MIL-F-83798/4: Surface Treatment Document and Classification: -1L-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series Designator: UNIFIED NATIONAL JOINT (UNJ) FIRST END; Seat Angle: 12.0 DEGREES FIRST END; Nominal Outside Diameter Tube Accommodated: 1.250 INCHES 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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