PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-F-52525Adapter,straight,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-074-7544 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-074-7544 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-074-7544. Primary manufacturer part number: MIL-F-52525.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Seat Angle: 37.0 DEGREES FIRST END
  • Thread Series Designator: UNF FIRST END
  • Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE
  • Specification/standard Data: 81349-MIL-F-52525C GOVERNMENT SPECIFICATION
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Connection Style: GRIPPING NIPPLE (NOSE) SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron or Steel Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-074-7544, 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
NSN4730-01-074-7544
Primary Part NumberMIL-F-52525
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
Seat Angle37.0 DEGREES FIRST END
Thread Series DesignatorUNF FIRST END
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
Specification/standard Data81349-MIL-F-52525C GOVERNMENT SPECIFICATION
Nominal Thread Size0.500 INCHES FIRST END IN
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST END IN
Surface Treatment Document and ClassificationQQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Furnished Items and Quantity1 HOSE COUPLING NUT
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Thread Class2B FIRST END
Maximum Operating Temp212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nondefinitive Spec/std DataB TYPE
Surface TreatmentZINC OVERALL
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Nominal Outside Diameter Hose Accommodated0.687 INCHES SECOND END IN
Nominal Overall Length2.940 INCHES IN
MaterialIRON OR STEEL OVERALL
Operating Pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-451-2703 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-455-8650 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-472-2611 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-F-52525 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M52525/1-4-5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
320-5-4ZK Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MIL-DTL-52525/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M52525/1-4-5J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-451-2703INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-455-8650INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-472-2611INTERCHANGEABLE
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 4730-01-074-7544?

NSN 4730-01-074-7544 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 4730-01-074-7544?

NSN 4730-01-074-7544 has 5 cross-referenced part numbers: MIL-F-52525 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M52525/1-4-5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 320-5-4ZK (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), MIL-DTL-52525/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M52525/1-4-5J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-074-7544?

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

What are the specifications of MIL-F-52525?

Key specifications for MIL-F-52525: Seat Angle: 37.0 DEGREES FIRST END; Thread Series Designator: UNF FIRST END; Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE; Specification/standard Data: 81349-MIL-F-52525C GOVERNMENT SPECIFICATION. 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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