PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-52525/1Adapter,straight,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-451-2703 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-451-2703 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-451-2703. Primary manufacturer part number: MIL-DTL-52525/1.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Operating Pressure: 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Connection Style: GRIPPING NIPPLE (NOSE) SECOND ENDGRIPPING NIPPLE (NOSE) SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN
  • Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Specification/standard Data: 81349-MIL-F-52525C GOVERNMENT SPECIFICATION
  • Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND ENDTHREADED EXTERNAL HOSE GRIPPING SECOND END
  • Maximum Operating Temp: 212.0 FAHRENHEIT SINGLE RESPONSE212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel or Iron Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-451-2703, 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 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-451-2703
Primary Part NumberMIL-DTL-52525/1
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
Operating Pressure3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection StyleGRIPPING NIPPLE (NOSE) SECOND ENDGRIPPING NIPPLE (NOSE) SECOND END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Surface Treatment Document and ClassificationQQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Specification/standard Data81349-MIL-F-52525C GOVERNMENT SPECIFICATION
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND ENDTHREADED EXTERNAL HOSE GRIPPING SECOND END
Maximum Operating Temp212.0 FAHRENHEIT SINGLE RESPONSE212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Series DesignatorUNF FIRST END
Nondefinitive Spec/std DataB TYPE
Nominal Outside Diameter Hose Accommodated0.969 INCHES SECOND END IN
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST ENDSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Furnished Items and Quantity1 HOSE COUPLING NUT
MaterialSTEEL OR IRON OVERALL
Nominal Overall Length3.330 INCHES IN
Surface TreatmentZINC OVERALL
Thread Class3B FIRST END3B FIRST END
Nominal Inside Diameter Hose Accommodated0.500 INCHES SECOND END IN
Nominal Thread Size0.750 INCHES FIRST END0.750 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
Seat Angle37.0 DEGREES FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-455-8650 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-472-2611 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-074-7544 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-074-7545 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-075-1923 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-075-2102 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-075-2980 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-076-1515 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-076-1516 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-52525/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS39290-8-8B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M52525/1-8-8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-52525 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M52525/1-8-8J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-455-8650INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-472-2611INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-074-7544INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-074-7545INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-075-1923INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-075-2102INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-075-2980INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-076-1515INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-076-1516INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-00-451-2703?

NSN 4730-00-451-2703 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 4730-00-451-2703?

NSN 4730-00-451-2703 has 5 cross-referenced part numbers: MIL-DTL-52525/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS39290-8-8B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), M52525/1-8-8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-52525 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M52525/1-8-8J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-451-2703?

There are 9 known substitutes for 4730-00-451-2703: 4730-00-455-8650, 4730-00-472-2611, 4730-01-074-7544 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-52525/1?

Key specifications for MIL-DTL-52525/1: Operating Pressure: 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Style: GRIPPING NIPPLE (NOSE) SECOND ENDGRIPPING NIPPLE (NOSE) SECOND END; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN; Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com