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4018B — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4018B: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES FIRST END, construction: ONE-PIECE, thread_class: 2B FIRST END, overall_length: 26.5 MILLIMETERS NOMINAL MM, connection_type: THREADED EXTERNAL HOSE GRIPPING SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-542-4336, 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
4018B
NSN: 4730-00-542-4336
NIINs: 005424336, 011869177, 016816666
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES FIRST END
constructionONE-PIECE
thread_class2B FIRST END
overall_length26.5 MILLIMETERS NOMINAL MM
connection_typeTHREADED EXTERNAL HOSE GRIPPING SECOND END
connection_styleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
special_featuresHEAD DIAMETER:34.7 MM;HEAD THICKNESS:7.5 MM;CABLE DIAMETER RANGE:14.0-20.0 MM;MOUNTING HOLE DIAMETER:29.0 MM;OZONE AND WEATHER RESISTANT, INDOOR OR OUTDOOR MM
style_designatorCIRCULAR
nominal_thread_size0.750 INCHES FIRST END IN
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
nominal_overall_length2.437 INCHES IN
NSN4730-00-542-4336
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4018B · 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
•
FURNISHED ITEMS AND QUANTITY: 1 HOSE COUPLING NUT
•
CONNECTION STYLE: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.406 INCHES SECOND END IN
•
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 0.789 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 2.437 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL HOSE GRIPPING SECOND END
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 HOSE COUPLING NUT
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
CONNECTION STYLEGRIPPING NIPPLE (NOSE) SECOND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.406 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED0.789 INCHES SECOND END IN
NOMINAL OVERALL LENGTH2.437 INCHES IN
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 2
EF-B1488G-0808Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C401-8BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4018B?
4018B is a MICROCIRCUIT,DIGITAL.
What parts can replace 4018B?
There are 2 known substitutes for 4018B: EF-B1488G-0808, C401-8B. Substitute compatibility should be verified for your specific system.
What is the NSN for 4018B?
4018B is cataloged in the U.S. Government catalog under NSN 4730-00-542-4336. This indicates validated use in U.S. government and defense supply chains.
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