PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-38726Adapter,straight,tube to Hose

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-423-0080 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-423-0080 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-423-0080. Primary manufacturer part number: MIL-DTL-38726.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Overall Length: 1.594 INCHES IN
  • Furnished Items and Quantity: 1 HOSE COUPLING NUT
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 1137 OR STEEL COMP 1141 OVERALL
  • Surface Treatment: CADMIUM OUTSIDE
  • Nominal Outside Diameter Hose Accommodated: 0.500 INCHES SECOND END IN
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 4730-00-423-0080, 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 Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Active.

Technical Specifications
ParameterValue
NSN4730-00-423-0080
Primary Part NumberMIL-DTL-38726
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length1.594 INCHES IN
Furnished Items and Quantity1 HOSE COUPLING NUT
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 1137 OR STEEL COMP 1141 OVERALL
Surface TreatmentCADMIUM OUTSIDE
Nominal Outside Diameter Hose Accommodated0.500 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND ENDTHREADED EXTERNAL HOSE GRIPPING SECOND END
Seat Angle37.0 DEGREES FIRST END
Specification/standard Data96906-MS27404 GOVERNMENT STANDARD
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.438 INCHES FIRST END0.438 INCHES FIRST END IN
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST ENDSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Material Document and ClassificationQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Connection StyleGRIPPING NIPPLE (NOSE) SECOND ENDGRIPPING NIPPLE (NOSE) SECOND END
Thread Class3B FIRST END3B FIRST END
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END
Surface TreatmentCADMIUM OUTSIDECADMIUM INSIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-278-5686 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-278-5688 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-278-5689 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-289-2824 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-497-4281 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-497-4284 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-38726 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS27404-4S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS27404-4P Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-38726 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-278-5686INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-278-5688INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-278-5689INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-289-2824INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-497-4281INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-497-4284INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-00-423-0080?

NSN 4730-00-423-0080 is a Adapter,straight,tube to Hose, manufactured by Military Standards Promulgated by Military Departments 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 4730-00-423-0080?

NSN 4730-00-423-0080 has 4 cross-referenced part numbers: MIL-DTL-38726 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS27404-4S (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS27404-4P (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-38726 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-423-0080?

There are 6 known substitutes for 4730-00-423-0080: 4730-00-278-5686, 4730-00-278-5688, 4730-00-278-5689 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-38726?

Key specifications for MIL-DTL-38726: Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Overall Length: 1.594 INCHES IN; End Item Identification: GRUMMAN A-10 AIRCRAFTGRUMMAN A-10 AIRCRAFT; Furnished Items and Quantity: 1 HOSE COUPLING NUT. 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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