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M18180/1-005-A01A — Technical Data Sheet

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— · 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

THERMAL RELEASE,CIRCUIT BREAKER. Key specifications include material: STEEL, thickness: 0.628 INCHES NOMINAL IN, neck_height: 1.750 INCHES NOMINAL IN, flange_diameter: 5.000 INCHES NOMINAL IN, style_designator: ROUND, ONE BOLT HOLE CIRCLE, bolt_hole_diameter: 0.620 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-01-185-6085, 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
M18180/1-005-A01A
NSN: 4730-01-185-6085
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL
thickness0.628 INCHES NOMINAL IN
neck_height1.750 INCHES NOMINAL IN
flange_diameter5.000 INCHES NOMINAL IN
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.620 INCHES NOMINAL IN
bolt_hole_quantity4
raised_face_height0.062 INCHES NOMINAL IN
bolt_circle_diameter3.880 INCHES NOMINAL IN
flange_section_styleRAISED FACE, WELDING NECK
raised_face_diameter2.560 INCHES NOMINAL IN
nondefinitive_spec/std_data8 TABLE AND 9 TABLE
NSN4730-01-185-6085
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M18180/1-005-A01A · 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
•
RAISED FACE DIAMETER: 2.560 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81349-MIL-F-18180/1 GOVERNMENT SPECIFICATION
•
MATERIAL: STEEL
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
•
NONDEFINITIVE SPEC/STD DATA: 8 TABLE AND 9 TABLE
•
BOLT HOLE QUANTITY: 4
•
FLANGE DIAMETER: 5.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
RAISED FACE DIAMETER2.560 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81349-MIL-F-18180/1 GOVERNMENT SPECIFICATION
MATERIALSTEEL
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
NONDEFINITIVE SPEC/STD DATA8 TABLE AND 9 TABLE
BOLT HOLE QUANTITY4
FLANGE DIAMETER5.000 INCHES NOMINAL IN
FLANGE SECTION STYLERAISED FACE, WELDING NECK
BOLT HOLE DIAMETER0.620 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
B16.5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-F-18180/1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SERIES150WELDINGInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M1810-009A01AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B23XEInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M18180/1-006A01AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M18180/1-005-A01A?
M18180/1-005-A01A is a THERMAL RELEASE,CIRCUIT BREAKER.
What parts can replace M18180/1-005-A01A?
There are 10 known substitutes for M18180/1-005-A01A: B16.5, MIL-F-18180/1, SERIES150WELDING and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M18180/1-005-A01A?
M18180/1-005-A01A is cataloged in the Federal Logistics Information System under NSN 4730-01-185-6085. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: October 2026