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PartsTable / COMPONENT / M18180/5003B01
M18180/5003B01 ✓ 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 M18180/5003B01 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 4730-01-185-8136, 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
M18180/5003B01
NSN: 4730-01-185-8136
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM18180/5003B01
NSN4730-01-185-8136
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M18180/5003B01 · 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
•
BOLT CIRCLE DIAMETER: 3.125 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
BOLT HOLE QUANTITY: 4
•
FACE SEATING SURFACE CONDITION: MACHINED
•
BOLT HOLE DIAMETER: 0.625 INCHES NOMINAL IN
•
FLANGE SECTION STYLE: PLAIN FACE
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
BOLT CIRCLE DIAMETER3.125 INCHES NOMINAL IN
MATERIALSTEEL
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
BOLT HOLE QUANTITY4
FACE SEATING SURFACE CONDITIONMACHINED
BOLT HOLE DIAMETER0.625 INCHES NOMINAL IN
FLANGE SECTION STYLEPLAIN FACE
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.000 INCHES IN
THICKNESS0.688 INCHES NOMINAL IN
FLANGE DIAMETER4.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
E-3373Interchangeable
interchangeable cross-reference
interchangeable
M18180/3-03A01Interchangeable
interchangeable cross-reference
interchangeable
653206Interchangeable
interchangeable cross-reference
interchangeable
E3373PC9Interchangeable
interchangeable cross-reference
interchangeable
453201Interchangeable
interchangeable cross-reference
interchangeable
E3373 PIECE 12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M18180/5003B01?
M18180/5003B01 is a M18180/5003B01.
What parts can replace M18180/5003B01?
There are 23 known substitutes for M18180/5003B01: E-3373, M18180/3-03A01, 653206 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M18180/5003B01?
M18180/5003B01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-185-8136. 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