PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M52525/10-20-20JAdapter,straight,flange to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-075-2104 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-075-2104 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-075-2104. Primary manufacturer part number: M52525/10-20-20J.
Features
  • Adapter,straight,flange to Hose — FSC 4730
  • Nominal Outside Diameter: 2.000 INCHES FIRST END IN
  • Nominal Outside Diameter Hose Accommodated: 2.000 INCHES SECOND END IN
  • Nondefinitive Spec/std Data: B TYPE
  • Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE
  • Material: STEEL OR IRON OVERALL
  • Nominal Overall Length: 5.350 INCHES IN
  • Specification/standard Data: 81349-MIL-F-52525C GOVERNMENT SPECIFICATION
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel or Iron Overall construction
General Description

The Adapter,straight,flange to Hose, cataloged under National Stock Number 4730-01-075-2104, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-075-2104
Primary Part NumberM52525/10-20-20J
Item NameAdapter,straight,flange 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 Outside Diameter2.000 INCHES FIRST END IN
Nominal Outside Diameter Hose Accommodated2.000 INCHES SECOND END IN
Nondefinitive Spec/std DataB TYPE
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
MaterialSTEEL OR IRON OVERALL
Nominal Overall Length5.350 INCHES IN
Specification/standard Data81349-MIL-F-52525C GOVERNMENT SPECIFICATION
Nominal Inside Diameter Hose Accommodated1.250 INCHES SECOND END IN
Operating Pressure1625.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Flange Face DesignPLAIN WITH GASKET GROOVE FIRST END
Surface TreatmentZINC OVERALL
Nominal Thickness0.315 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
Flange ShapeROUND FIRST END
Connection TypeFLANGE FIRST END
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Maximum Operating Temp212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-255-0560 INTERCHANGEABLE
Flange,pipe,swivel Retaining
4730-00-451-2704 INTERCHANGEABLE
Elbow,tube to Hose
4730-00-472-2611 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-755-7609 INTERCHANGEABLE
Flange,pipe,swivel Retaining
6240-00-824-09240L7152AS15TPL INTERCHANGEABLE
Lamp,incandescent
Wamco, Inc. Dba Wamco Inc
4730-01-007-2641 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-017-8284 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-1919 INTERCHANGEABLE
Elbow,tube to Hose
4730-01-075-2103 INTERCHANGEABLE
Adapter,straight,flange to Hose
4730-01-075-2983 INTERCHANGEABLE
Adapter,straight,flange to Hose
Cross-Reference Index
Part NumberManufacturer
M52525/10-20-20J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-52525 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-52525/10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M52525/10-20-20 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
Related Parts
4730-00-255-0560INTERCHANGEABLE
FLANGE,PIPE,SWIVEL RETAINING
4730-00-451-2704INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-00-472-2611INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-755-7609INTERCHANGEABLE
FLANGE,PIPE,SWIVEL RETAINING
6240-00-824-0924INTERCHANGEABLE
LAMP,INCANDESCENT
0L7152AS15TPL
4730-01-007-2641INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-017-8284INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-1919INTERCHANGEABLE
ELBOW,TUBE TO HOSE
4730-01-075-2103INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO HOSE
4730-01-075-2983INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO HOSE
4730-01-075-3483INTERCHANGEABLE
ELBOW,FLANGE TO HOSE
4730-01-075-5055INTERCHANGEABLE
ELBOW,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-01-075-2104?

NSN 4730-01-075-2104 is a Adapter,straight,flange 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 4730-01-075-2104?

NSN 4730-01-075-2104 has 5 cross-referenced part numbers: M52525/10-20-20J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-52525 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-52525/10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M52525/10-20-20 (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).

What NSN replaces 4730-01-075-2104?

There are 12 known substitutes for 4730-01-075-2104: 4730-00-255-0560, 4730-00-451-2704, 4730-00-472-2611 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M52525/10-20-20J?

Key specifications for M52525/10-20-20J: Nominal Outside Diameter: 2.000 INCHES FIRST END IN; Nominal Outside Diameter Hose Accommodated: 2.000 INCHES SECOND END IN; Nondefinitive Spec/std Data: B TYPE; Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE. 19 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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