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Technical Data Sheet
PartsTable / COMPONENT / M52525/3-4-4J
M52525/3-4-4J ✓ 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 M52525/3-4-4J 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 4730-01-075-3478, 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
M52525/3-4-4J
NSN: 4730-01-075-3478
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM52525/3-4-4J
NSN4730-01-075-3478
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M52525/3-4-4J · 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
•
NONDEFINITIVE SPEC/STD DATA: B TYPE
•
MATERIAL: IRON OR STEEL OVERALL
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
SURFACE TREATMENT: ZINC OVERALL
•
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 0.688 INCHES SECOND END IN
•
THREAD SERIES DESIGNATOR: UNF FIRST END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
MAXIMUM OPERATING TEMP: 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAB TYPE
MATERIALIRON OR STEEL OVERALL
SEAT ANGLE37.0 DEGREES FIRST END
SURFACE TREATMENTZINC OVERALL
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED0.688 INCHES SECOND END IN
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.250 INCHES SECOND END IN
MAXIMUM OPERATING TEMP212.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL THREAD SIZE0.437 INCHES FIRST END IN
FLOW ANGLE90.0 DEGREES
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 M52525/3-4-4J?
M52525/3-4-4J is a M52525/3-4-4J.
What parts can replace M52525/3-4-4J?
There are 19 known substitutes for M52525/3-4-4J: 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 M52525/3-4-4J?
M52525/3-4-4J is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-075-3478. 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