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MIL-DTL-52525/10 — Technical Data Sheet

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— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

ADAPTER,STRAIGHT,FLANGE TO HOSE. Key specifications include material: STEEL OR IRON OVERALL, flange_shape: ROUND FIRST END, connection_type: THREADED EXTERNAL HOSE GRIPPING SECOND END, connection_style: GRIPPING NIPPLE (NOSE) SECOND END, nominal_thickness: 0.315 INCHES FIRST END IN, surface_treatment: ZINC OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-075-2103, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MIL-DTL-52525/10
NSN: 4730-01-075-2103
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OR IRON OVERALL
flange_shapeROUND FIRST END
connection_typeTHREADED EXTERNAL HOSE GRIPPING SECOND END
connection_styleGRIPPING NIPPLE (NOSE) SECOND END
nominal_thickness0.315 INCHES FIRST END IN
surface_treatmentZINC OVERALL
flange_face_designPLAIN WITH GASKET GROOVE FIRST END
operating_pressure2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp212.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length6.370 INCHES IN
end_item_identificationHYDRAULIC SYSTEMS TEST AND REPAIR SYSTEMS UNITS.
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
NSN4730-01-075-2103
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-DTL-52525/10 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: ZINC OVERALL
•
NOMINAL OVERALL LENGTH: 2.780 INCHES IN
•
FURNISHED ITEMS AND QUANTITY: 1 HOSE COUPLING NUT
•
NOMINAL THICKNESS: 0.265 INCHES FIRST END IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-52525C GOVERNMENT SPECIFICATION
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.500 INCHES SECOND END IN
•
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 0.969 INCHES SECOND END IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTZINC OVERALL
NOMINAL OVERALL LENGTH2.780 INCHES IN
FURNISHED ITEMS AND QUANTITY1 HOSE COUPLING NUT
NOMINAL THICKNESS0.265 INCHES FIRST END IN
SPECIFICATION/STANDARD DATA81349-MIL-F-52525C GOVERNMENT SPECIFICATION
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED0.969 INCHES SECOND END IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALIRON OR STEEL OVERALL
OPERATING PRESSURE3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
M52525/10-20-20JInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-52525Interchangeable
interchangeable cross-reference
interchangeable
M52525/10-24-24JInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-52525Interchangeable
interchangeable cross-reference
interchangeable
M52525/10-12-12JInterchangeable
interchangeable cross-reference
interchangeable
401-12-12S88Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-52525/10?
MIL-DTL-52525/10 is a ADAPTER,STRAIGHT,FLANGE TO HOSE.
What parts can replace MIL-DTL-52525/10?
There are 16 known substitutes for MIL-DTL-52525/10: M52525/10-20-20J, MIL-DTL-52525, M52525/10-24-24J and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-52525/10?
MIL-DTL-52525/10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-075-2103. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026