PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M83798/1-4LAdapter,straight,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-315-7614 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-315-7614 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-315-7614. Primary manufacturer part number: M83798/1-4L.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Nominal Outside Diameter Hose Accommodated: 0.438 INCHES SECOND END IN
  • Material: STEEL COMP 1137 OR STEEL COMP 1141 OVERALL
  • Nominal Inside Diameter Hose Accommodated: 0.219 INCHES SECOND END IN
  • Surface Treatment: CADMIUM OVERALL
  • Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 1137 or Steel Comp 1141 Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-315-7614, 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 3 commercial cross-references from 1 manufacturer, 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
NSN4730-01-315-7614
Primary Part NumberM83798/1-4L
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
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Nominal Outside Diameter Hose Accommodated0.438 INCHES SECOND END IN
MaterialSTEEL COMP 1137 OR STEEL COMP 1141 OVERALL
Nominal Inside Diameter Hose Accommodated0.219 INCHES SECOND END IN
Surface TreatmentCADMIUM OVERALL
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
Seat Angle37.0 DEGREES FIRST END
Nominal Thread Size0.438 INCHES FIRST END IN
Furnished Items and Quantity1 HOSE SOCKET
Nominal Overall Length1.730 INCHES IN
Media for Which DesignedAERONAUTICAL FLUID SINGLE RESPONSE
Specification/standard Data81349-MIL-F-83798/1 GOVERNMENT SPECIFICATION
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Material Document and ClassificationQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class3B FIRST END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-541-1957 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-585-6210 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-585-6212 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-585-7496 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-613-1859 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-618-7378 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-632-2002 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-720-1171 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-834-5456 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-303-5932 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cross-Reference Index
Part NumberManufacturer
M83798/1-4L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-83798/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-83798/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-541-1957INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-585-6210INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-585-6212INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-585-7496INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-613-1859INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-618-7378INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-632-2002INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-720-1171INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-834-5456INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-303-5932INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-328-4026INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-444-5459INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-01-315-7614?

NSN 4730-01-315-7614 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 4730-01-315-7614?

NSN 4730-01-315-7614 has 3 cross-referenced part numbers: M83798/1-4L (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-83798/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-83798/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-315-7614?

There are 12 known substitutes for 4730-01-315-7614: 4730-00-541-1957, 4730-00-585-6210, 4730-00-585-6212 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M83798/1-4L?

Key specifications for M83798/1-4L: Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Nominal Outside Diameter Hose Accommodated: 0.438 INCHES SECOND END IN; Material: STEEL COMP 1137 OR STEEL COMP 1141 OVERALL; Nominal Inside Diameter Hose Accommodated: 0.219 INCHES SECOND END IN. 22 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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