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PartsTable / COMPONENT / M18180/1-053A01D
M18180/1-053A01D ✓ 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 M18180/1-053A01D 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 4730-01-313-5440, 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
M18180/1-053A01D
NSN: 4730-01-313-5440
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM18180/1-053A01D
NSN4730-01-313-5440
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M18180/1-053A01D · 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
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN
•
BOLT HOLE DIAMETER: 0.625 INCHES NOMINAL IN
•
NECK HEIGHT: 0.375 INCHES NOMINAL IN
•
THICKNESS: 0.625 INCHES NOMINAL IN
•
RAISED FACE HEIGHT: 0.250 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-18180/1 GOVERNMENT SPECIFICATION
•
RAISED FACE DIAMETER: 1.688 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 GRADE
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.750 INCHES IN
BOLT HOLE DIAMETER0.625 INCHES NOMINAL IN
NECK HEIGHT0.375 INCHES NOMINAL IN
THICKNESS0.625 INCHES NOMINAL IN
RAISED FACE HEIGHT0.250 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81349-MIL-F-18180/1 GOVERNMENT SPECIFICATION
RAISED FACE DIAMETER1.688 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 GRADE
MATERIALSTEEL
FACE SEATING SURFACE CONDITIONMACHINED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
B16.5Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-18180/1Interchangeable
interchangeable cross-reference
interchangeable
SERIES150WELDINGInterchangeable
interchangeable cross-reference
interchangeable
65-1/4 SCHED 80Interchangeable
interchangeable cross-reference
interchangeable
ASTM A105 GR1Interchangeable
interchangeable cross-reference
interchangeable
65-1-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M18180/1-053A01D?
M18180/1-053A01D is a M18180/1-053A01D.
What parts can replace M18180/1-053A01D?
There are 12 known substitutes for M18180/1-053A01D: B16.5, MIL-F-18180/1, SERIES150WELDING and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M18180/1-053A01D?
M18180/1-053A01D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-313-5440. 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