PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M52525/3-4-5Elbow,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-226-3301 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-226-3301 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-226-3301. Primary manufacturer part number: M52525/3-4-5.
Features
  • Elbow,tube to Hose — FSC 4730
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Specification/standard Data: 81349-MIL-F-52525/3 GOVERNMENT SPECIFICATION
  • Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Thread Series Designator: UNF FIRST END
  • Seat Angle: 37.0 DEGREES FIRST END
  • Nominal Outside Diameter Hose Accommodated: 0.687 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Elbow,tube to Hose, cataloged under National Stock Number 4730-01-226-3301, 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 17 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-226-3301
Primary Part NumberM52525/3-4-5
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
StatusACTIVE
Nominal Thread Size0.438 INCHES FIRST END IN
Specification/standard Data81349-MIL-F-52525/3 GOVERNMENT SPECIFICATION
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Thread Series DesignatorUNF FIRST END
Seat Angle37.0 DEGREES FIRST END
Nominal Outside Diameter Hose Accommodated0.687 INCHES SECOND END IN
Leg Length2.797 INCHES NOMINAL SECOND END IN
MaterialSTEEL CORROSION RESISTING OVERALL
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Leg Length0.812 INCHES NOMINAL FIRST END IN
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Thread Class2B FIRST END
Flow Angle90.0 DEGREES
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST END IN
Connection StyleGRIPPING (HOSE) SECOND END
Furnished Items and Quantity1 SWIVEL NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-451-2704 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-451-4620 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-007-2641 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-024-0908 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-3478 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-5054 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-6566 INTERCHANGEABLE
Elbow,tube to Hose
Cross-Reference Index
Part NumberManufacturer
M52525/3-4-5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-52525/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M52525/3-4-5J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-451-2704INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-451-4620INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-007-2641INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-024-0908INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-3478INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-5054INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-6566INTERCHANGEABLE
ELBOW,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-01-226-3301?

NSN 4730-01-226-3301 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: active.

What are the part numbers for NSN 4730-01-226-3301?

NSN 4730-01-226-3301 has 3 cross-referenced part numbers: M52525/3-4-5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-52525/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M52525/3-4-5J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-226-3301?

There are 7 known substitutes for 4730-01-226-3301: 4730-00-451-2704, 4730-00-451-4620, 4730-01-007-2641 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M52525/3-4-5?

Key specifications for M52525/3-4-5: Nominal Thread Size: 0.438 INCHES FIRST END IN; Specification/standard Data: 81349-MIL-F-52525/3 GOVERNMENT SPECIFICATION; Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN; Connection Type: THREADED INTERNAL TUBE FIRST END. 17 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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