PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-52525/2Elbow,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-075-3477 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-075-3477 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-075-3477. Primary manufacturer part number: MIL-DTL-52525/2.
Features
  • Elbow,tube to Hose — FSC 4730
  • Nondefinitive Spec/std Data: B TYPE
  • Connection Style: GRIPPING NIPPLE (NOSE) SECOND END
  • Surface Treatment Document and Classification: QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END
  • Material: STEEL OR IRON OVERALL
  • Thread Series Designator: UNF FIRST END
  • Leg Length: 0.851 INCHES NOMINAL FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel or Iron Overall construction
General Description

The Elbow,tube to Hose, cataloged under National Stock Number 4730-01-075-3477, 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 23 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-075-3477
Primary Part NumberMIL-DTL-52525/2
Item NameElbow,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
StatusCANCELLED
Nondefinitive Spec/std DataB TYPE
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Surface Treatment Document and ClassificationQQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
MaterialSTEEL OR IRON OVERALL
Thread Series DesignatorUNF FIRST END
Leg Length0.851 INCHES NOMINAL FIRST END IN
Operating Pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
Flow Angle45.0 DEGREES
Connection TypeTHREADED INTERNAL TUBE FIRST END
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Nominal Outside Diameter Hose Accommodated0.688 INCHES SECOND END IN
Nominal Thread Size0.438 INCHES FIRST END IN
Surface TreatmentZINC OVERALL
Seat Angle37.0 DEGREES FIRST END
Furnished Items and Quantity1 HOSE COUPLING NUT
Leg Length2.720 INCHES NOMINAL SECOND END IN
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Thread Class2B FIRST END
Maximum Operating Temp212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Specification/standard Data81349-MIL-F-52525C GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-103-8256190287-4S INTERCHANGEABLE
Elbow,tube to Hose
Danfoss Power Solutions II, Llc
4730-00-930-4524 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-017-8284 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-0408 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-1046 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-226-3300 INTERCHANGEABLE
Elbow,tube to Hose
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-52525/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M52525/2-4-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
190287-4S Danfoss Power Solutions II, Llc (USA)
MIL-F-52525 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FC9316-0404-94 Danfoss Power Solutions II, Llc (USA)
Related Parts
4730-00-103-8256INTERCHANGEABLE
ELBOW,TUBE TO HOSE
190287-4S
4730-00-930-4524INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-017-8284INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-0408INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-1046INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-226-3300INTERCHANGEABLE
ELBOW,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-01-075-3477?

NSN 4730-01-075-3477 is a Elbow,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: cancelled.

What are the part numbers for NSN 4730-01-075-3477?

NSN 4730-01-075-3477 has 5 cross-referenced part numbers: MIL-DTL-52525/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M52525/2-4-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 190287-4S (Danfoss Power Solutions II, Llc), MIL-F-52525 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FC9316-0404-94 (Danfoss Power Solutions II, Llc).

What NSN replaces 4730-01-075-3477?

There are 6 known substitutes for 4730-01-075-3477: 4730-00-103-8256, 4730-00-930-4524, 4730-01-017-8284 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-52525/2?

Key specifications for MIL-DTL-52525/2: Nondefinitive Spec/std Data: B TYPE; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Surface Treatment Document and Classification: QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-075-3477 still in active supply?

NSN 4730-01-075-3477 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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