PartsTable
Technical Data Sheet
M52525/4-12-12 ✓ 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 M52525/4-12-12 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 4730-01-074-8366, 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
M52525/4-12-12
NSN: 4730-01-074-8366
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM52525/4-12-12
NSN4730-01-074-8366
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M52525/4-12-12 · 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
FLOW ANGLE: 90.0 DEGREES
SEAT ANGLE: 37.0 DEGREES FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.750 INCHES SECOND END IN
SURFACE TREATMENT: ZINC OVERALL
FURNISHED ITEMS AND QUANTITY: 1 HOSE COUPLING NUT
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES FIRST END IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
FLOW ANGLE90.0 DEGREES
SEAT ANGLE37.0 DEGREES FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.750 INCHES SECOND END IN
SURFACE TREATMENTZINC OVERALL
FURNISHED ITEMS AND QUANTITY1 HOSE COUPLING NUT
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
MATERIALSTEEL OR IRON OVERALL
THREAD QUANTITY PER INCH12 FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MS39293-8-8BInterchangeable
interchangeable cross-reference
interchangeable
M52525/4-8-8Interchangeable
interchangeable cross-reference
interchangeable
M52525/4-8-8JInterchangeable
interchangeable cross-reference
interchangeable
190263-8-6SInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-52525Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-52525Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M52525/4-12-12?
M52525/4-12-12 is a M52525/4-12-12.
What parts can replace M52525/4-12-12?
There are 17 known substitutes for M52525/4-12-12: MS39293-8-8B, M52525/4-8-8, M52525/4-8-8J and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M52525/4-12-12?
M52525/4-12-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-074-8366. This indicates validated use in U.S. government and defense supply chains.
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