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Technical Data Sheet
PartsTable / COMPONENT / B23XE
B23XE ✓ 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

THERMAL RELEASE,CIRCUIT BREAKER. Key specifications include material: STEEL, thickness: 0.688 INCHES NOMINAL IN, neck_height: 1.750 INCHES NOMINAL IN, flange_diameter: 6.000 INCHES NOMINAL IN, style_designator: ROUND, ONE BOLT HOLE CIRCLE, bolt_hole_diameter: 0.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-185-6086, 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
B23XE
NSN: 4730-01-185-6086
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL
thickness0.688 INCHES NOMINAL IN
neck_height1.750 INCHES NOMINAL IN
flange_diameter6.000 INCHES NOMINAL IN
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.750 INCHES NOMINAL IN
bolt_hole_quantity4
raised_face_height0.062 INCHES NOMINAL IN
bolt_circle_diameter4.750 INCHES NOMINAL IN
flange_section_styleRAISED FACE, WELDING NECK
raised_face_diameter3.060 INCHES NOMINAL IN
nondefinitive_spec/std_data9 TABLE AND 2 SIZE AND 40 SCHEDULE
NSN4730-01-185-6086
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B23XE · 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 HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
RAISED FACE HEIGHT: 0.062 INCHES NOMINAL IN
•
FLANGE DIAMETER: 6.000 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
SPECIFICATION/STANDARD DATA: 80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81349-MIL-F-18180/1 GOVERNMENT SPECIFICATION
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
•
NONDEFINITIVE SPEC/STD DATA: 9 TABLE AND 2 SIZE AND 40 SCHEDULE
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE DIAMETER0.750 INCHES NOMINAL IN
RAISED FACE HEIGHT0.062 INCHES NOMINAL IN
FLANGE DIAMETER6.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
SPECIFICATION/STANDARD DATA80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81349-MIL-F-18180/1 GOVERNMENT SPECIFICATION
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
NONDEFINITIVE SPEC/STD DATA9 TABLE AND 2 SIZE AND 40 SCHEDULE
MATERIALSTEEL
FACE SEATING SURFACE CONDITIONGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
B16.5Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-18180/1Interchangeable
interchangeable cross-reference
interchangeable
SERIES150WELDINGInterchangeable
interchangeable cross-reference
interchangeable
M1810-009A01AInterchangeable
interchangeable cross-reference
interchangeable
M18180/1-005-A01AInterchangeable
interchangeable cross-reference
interchangeable
M18180/1-011A01AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B23XE?
B23XE is a THERMAL RELEASE,CIRCUIT BREAKER.
What parts can replace B23XE?
There are 10 known substitutes for B23XE: B16.5, MIL-F-18180/1, SERIES150WELDING and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B23XE?
B23XE is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-185-6086. 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