PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M52525/7-6-8Elbow,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-075-4677 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-075-4677 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-075-4677. Primary manufacturer part number: M52525/7-6-8.
Features
  • Elbow,tube to Hose — FSC 4730
  • Furnished Items and Quantity: 1 HOSE COUPLING NUT
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Surface Treatment: ZINC OVERALL
  • Seat Angle: 37.0 DEGREES FIRST END
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN
  • Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE
  • Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron or Steel Overall construction
General Description

The Elbow,tube to Hose, cataloged under National Stock Number 4730-01-075-4677, 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 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-075-4677
Primary Part NumberM52525/7-6-8
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
Furnished Items and Quantity1 HOSE COUPLING NUT
Connection TypeTHREADED INTERNAL TUBE FIRST END
Surface TreatmentZINC OVERALL
Seat Angle37.0 DEGREES FIRST END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
MaterialIRON OR STEEL OVERALL
Leg Length1.572 INCHES NOMINAL FIRST END IN
Thread Class2B FIRST END
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Maximum Operating Temp212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Operating Pressure2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length3.290 INCHES NOMINAL SECOND END IN
Specification/standard Data81349-MIL-F-52525C GOVERNMENT SPECIFICATION
Thread Series DesignatorUNF FIRST END
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Surface Treatment Document and ClassificationQQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Inside Diameter Hose Accommodated0.375 INCHES SECOND END IN
Nominal Outside Diameter Hose Accommodated0.781 INCHES SECOND END IN
Flow Angle90.0 DEGREES
Nominal Thread Size0.750 INCHES FIRST END IN
Nondefinitive Spec/std DataA TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-01-075-3932 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-3933 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-4676 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-7301 INTERCHANGEABLE
Elbow,tube to Hose
Cross-Reference Index
Part NumberManufacturer
M52525/7-6-8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-52525/7 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
M52525/7-6-8Z Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-01-075-3932INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-3933INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-4676INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-7301INTERCHANGEABLE
ELBOW,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-01-075-4677?

NSN 4730-01-075-4677 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 4730-01-075-4677?

NSN 4730-01-075-4677 has 4 cross-referenced part numbers: M52525/7-6-8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-52525/7 (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), M52525/7-6-8Z (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-075-4677?

There are 4 known substitutes for 4730-01-075-4677: 4730-01-075-3932, 4730-01-075-3933, 4730-01-075-4676 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M52525/7-6-8?

Key specifications for M52525/7-6-8: Furnished Items and Quantity: 1 HOSE COUPLING NUT; Connection Type: THREADED INTERNAL TUBE FIRST END; Surface Treatment: ZINC OVERALL; Seat Angle: 37.0 DEGREES FIRST END. 23 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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