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PartsTable / COMPONENT / MIL-DTL-52525/3B
MIL-DTL-52525/3B ✓ Verified by PartsTable
— · 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

The MIL-DTL-52525/3B is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-075-6566, 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-52525/3B
NSN: 4730-01-075-6566
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-DTL-52525/3B
NSN4730-01-075-6566
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-DTL-52525/3B · 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
•
OPERATING PRESSURE: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-52525C GOVERNMENT SPECIFICATION
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
•
FLOW ANGLE: 90.0 DEGREES
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.375 INCHES SECOND END IN
•
CONNECTION STYLE: GRIPPING NIPPLE (NOSE) SECOND END
•
LEG LENGTH: 1.572 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIFICATION/STANDARD DATA81349-MIL-F-52525C GOVERNMENT SPECIFICATION
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
FLOW ANGLE90.0 DEGREES
SEAT ANGLE37.0 DEGREES FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.375 INCHES SECOND END IN
CONNECTION STYLEGRIPPING NIPPLE (NOSE) SECOND END
LEG LENGTH1.572 INCHES NOMINAL FIRST END IN
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
THREAD SERIES DESIGNATORUNF FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
94-190264-12Interchangeable
interchangeable cross-reference
interchangeable
30007-12-12S88Interchangeable
interchangeable cross-reference
interchangeable
M52525/3-12-12JInterchangeable
interchangeable cross-reference
interchangeable
94-190264-8SInterchangeable
interchangeable cross-reference
interchangeable
30007-8-8S88Interchangeable
interchangeable cross-reference
interchangeable
M52525/3-8-8JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-52525/3B?
MIL-DTL-52525/3B is a MIL-DTL-52525/3B.
What parts can replace MIL-DTL-52525/3B?
There are 19 known substitutes for MIL-DTL-52525/3B: 94-190264-12, 30007-12-12S88, M52525/3-12-12J and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-52525/3B?
MIL-DTL-52525/3B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-075-6566. 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: July 2026