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MA3011-57 ✓ 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

CONNECTOR BODY,MODULAR RECEPTACL. Key specifications include body_width: 1.400 INCHES MAXIMUM IN, body_height: 2.250 INCHES MAXIMUM IN, body_length: 2.250 INCHES MAXIMUM IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, coil_form_type: SOLID SINGLE COMPONENT, inclosure_type: FULLY INCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-103-4603, 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
MA3011-57
NSN: 4730-01-103-4603
FSC: 4730
CAGE: 97106 — PAK-MOR MFG CO (USA)
SPECIFICATIONS
body_width1.400 INCHES MAXIMUM IN
body_height2.250 INCHES MAXIMUM IN
body_length2.250 INCHES MAXIMUM IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
inductance_rating19.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp101.0 CELSIUS DEGC
thread_quantity_per_inch32 SINGLE GROUP
NSN4730-01-103-4603
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MA3011-57 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
2F7949Interchangeable
interchangeable cross-reference
interchangeable
C50-1-1Interchangeable
interchangeable cross-reference
interchangeable
168101Interchangeable
interchangeable cross-reference
interchangeable
0N270726Interchangeable
interchangeable cross-reference
interchangeable
C60-8NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MA3011-57?
MA3011-57 is a CONNECTOR BODY,MODULAR RECEPTACL.
What parts can replace MA3011-57?
There are 5 known substitutes for MA3011-57: 2F7949, C50-1-1, 168101 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MA3011-57?
MA3011-57 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-103-4603. 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